License and Development Agreements	12 Months Ended
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
License and Development Agreements	License and Development Agreements Co-Development and Commercialization Agreement with CanSino Biologics, Inc. The Company entered into a co-development and commercialization agreement with CanSino Biologics, Inc. ("CanSinoBIO") with respect to the development and commercialization of the Company's modifier gene therapy product candidates, OCU400, OCU410, and OCU410ST. The co-development and commercialization agreement was originally entered into in September 2019 with regards to OCU400, and was subsequently amended in September 2021 and November 2022 (as so amended, the "CanSinoBIO Agreement"), to include OCU410 and OCU410ST, respectively, to the Company's existing collaboration with CanSinoBIO. Pursuant to the CanSinoBIO Agreement, the Company and CanSinoBIO are collaborating on the development of the Company's modifier gene therapy platform. CanSinoBIO is responsible for the chemistry, manufacturing, and controls development and manufacture of clinical supplies of such products and is responsible for the costs associated with such activities. CanSinoBIO has an exclusive license to develop, manufacture, and commercialize the Company's modifier gene therapy platform in and for China, Hong Kong, Macau, and Taiwan (the "CanSinoBIO Territory"), and the Company maintains exclusive development, manufacturing, and commercialization rights with respect to the Company's modifier gene therapy platform outside the CanSinoBIO Territory (the "Company Territory"). The CanSinoBIO Agreement is a collaborative arrangement within the scope of ASC 808. CanSinoBIO will pay to the Company an annual royalty between mid- and high-single digits based on Net Sales (as defined in the CanSinoBIO Agreement) of the products included in the Company's modifier gene therapy platform in the CanSinoBIO Territory. The Company will pay to CanSinoBIO an annual royalty between low- and mid-single digits based on Net Sales of the products included in the Company's modifier gene therapy platform in the Company Territory. Unless earlier terminated, the CanSinoBIO Agreement will continue in force on a country-by-country and product-by-product basis until the later of (a) the expiration of the last valid claim of the Company's patent rights covering OCU400, OCU410, and OCU410ST and (b) the tenth (10th) anniversary of the first commercial sale of OCU410 and OCU410ST in such country. The CanSinoBIO Agreement will also terminate contemporaneously upon the termination of the SERI Agreement (as defined below), provided that CanSinoBIO is not in breach or default of the CanSinoBIO Agreement. The CanSinoBIO Agreement may be terminated by either party in its entirety upon (a) a material or persistent breach of the CanSinoBIO Agreement by the other party, (b) a challenge by the other party or any of its affiliates of any intellectual property controlled by the terminating party, or (c) bankruptcy or insolvency of the other party. Exclusive License Agreement with Washington University In September 2022, the Company entered into the WU License Agreement with Washington University, pursuant to which the Company was granted an exclusive, sublicensable, royalty-bearing license to patent rights for an inhaled mucosal COVID-19 vaccine, as well as a license to certain tangible research property and technical information necessary to exploit the patent rights within the United States, Europe, and Japan. The Company paid Washington University an initial license issuance fee of $1.0 million, which was recognized as research and development expense in the consolidated statement of operations and comprehensive loss during the year ended December 31, 2022. In January 2023, the Company amended the WU License Agreement to add the countries of South Korea, Australia, and China to the Mucosal Vaccine Territory. The Company is required to pay Washington University an annual license maintenance fee, payments upon the achievement of certain development and commercial milestones in the aggregate amount of up to $37.0 million, and low single-digit percentage royalties on Net Sales of licensed products (as defined in the WU License Agreement). Pursuant to the WU License Agreement, the Company may make, have made, sell, offer for sale, use, market, promote, distribute, export, and import licensed products in the Mucosal Vaccine Territory. The Company will use commercially reasonable efforts to develop, manufacture, promote, and sell the licensed products in the Mucosal Vaccine Territory. Washington University maintains control of patent preparation, filing, prosecution, and maintenance. The Company is responsible for Washington University's out-of-pocket expenses related to the preparation, filing, prosecution, issuance, and maintenance of the licensed patent rights incurred pursuant to the WU License Agreement. The WU License Agreement will expire on a country-by-country basis and a licensed product-by-licensed product basis and end, separately in each such country and for each such licensed product, upon the latter of (a) the expiration date of the last valid claim, (b) the fifteenth (15th) anniversary of the date of the first commercial sale of a licensed product, or (c) the expiration of the last form of market exclusivity (as defined in the WU License Agreement), subject to the earlier termination of the WU License Agreement in accordance with its terms. In addition, the Company may terminate the WU License Agreement without cause by giving at least 90 days written notice. The WU License Agreement contains customary termination provisions in the event of an uncured material breach or upon certain corporate actions, including bankruptcy, receivership, or liquidation. Co-Development, Supply and Commercialization Agreement with Bharat Biotech The Company entered into the Covaxin Agreement with Bharat Biotech to co-develop COVAXIN for the Ocugen Covaxin Territory. The Covaxin Agreement was originally entered into in February 2021 with respect to the U.S. market and was subsequently amended in June 2021 to add rights to the Canadian market, for which the Company paid Bharat Biotech a non-refundable, upfront payment of $15.0 million in June 2021, which was recognized as research and development expense in the consolidated statements of operations and comprehensive loss during the year ended December 31, 2021. The Company additionally agreed to pay Bharat Biotech $10.0 million within 30 days after the first commercial sale of COVAXIN in Canada. The Covaxin Agreement was amended a second time in April 2022 to add rights to the Mexican market. The Covaxin Agreement is a collaborative arrangement within the scope of ASC 808. Pursuant to the Covaxin Agreement, the Company obtained an exclusive right and license under certain of Bharat Biotech's intellectual property rights, with the right to grant sublicenses, to develop, manufacture, and commercialize COVAXIN in the Ocugen Covaxin Territory. In consideration of the license and other rights granted to the Company by Bharat Biotech, the parties agreed to share any operating profits (as defined in the Covaxin Agreement) generated from the commercialization of COVAXIN in the Ocugen Covaxin Territory, with the Company retaining 45% of such profits, and Bharat Biotech receiving the balance of such profits. Under the Covaxin Agreement, the Company is collaborating with Bharat Biotech to develop COVAXIN for their respective territories. Except with respect to manufacturing rights under certain circumstances as described below, the Company has the exclusive right and is solely responsible for researching, developing, manufacturing, and commercializing COVAXIN for the Ocugen Covaxin Territory. Bharat Biotech is responsible for researching, developing, manufacturing, and commercializing COVAXIN outside of the Ocugen Covaxin Territory. Bharat Biotech agreed to provide to the Company preclinical and clinical data, and to transfer to the Company certain proprietary technology owned or controlled by Bharat Biotech, that is necessary for the successful commercial manufacture and supply of COVAXIN to support potential commercial sale in the Ocugen Covaxin Territory. In September 2021, the Company entered into a Development and Commercial Supply Agreement (the "Supply Agreement") with Bharat Biotech, pursuant to which Bharat Biotech will supply the Company with clinical trial materials and commercial supplies of COVAXIN finished drug product prior to the completion of a technology transfer. Following the completion of a technology transfer, Bharat Biotech will supply COVAXIN drug product components and continue to supply finished drug product as necessary for the commercial manufacture and supply of COVAXIN. In March 2021, the Company issued shares of Series B Convertible Preferred Stock (as defined in Note 10) as an advance payment for the supply of COVAXIN to be provided by Bharat Biotech under the Supply Agreement. See Note 10 for additional information about the Series B Convertible Preferred Stock issuance to Bharat Biotech. The Covaxin Agreement continues in effect for the commercial life of COVAXIN, subject to the earlier termination of the Covaxin Agreement in accordance with its terms. The Covaxin Agreement also contains customary representations and warranties made by the Company and Bharat Biotech and customary provisions relating to indemnification, limitation of liability, confidentiality, information and data sharing, and other matters. The Supply Agreement expires upon the expiration of the Covaxin Agreement and may be earlier terminated by the Company or Bharat Biotech in the event of an uncured material breach or bankruptcy of the other party. Exclusive License Agreement with The Schepens Eye Research Institute, Inc. In December 2017, the Company entered into an exclusive license agreement with The Schepens Eye Research Institute, Inc. ("SERI"), which was amended in January 2021 (as so amended, the "SERI Agreement"). The SERI Agreement gives the Company an exclusive, worldwide, sublicensable license to patent rights, biological materials, and technical information for NHR genes Nuclear Receptor Subfamily 1 Group D Member 1 ("NR1D1"), NR2E3 (OCU400), RORA (OCU410 and OCU410ST), Nuclear Protein 1, Transcriptional Regulator ("NUPR1"), and Nuclear Receptor Subfamily 2 Group C Member 1 ("NR2C1"). The January 2021 amendment to the SERI Agreement additionally granted the Company rights in co-owned intellectual property pursuant to certain patents and provisional patents at the time of the amendment. Under the SERI Agreement, the Company may make, have made, use, offer to sell, sell, and import licensed products, and must use commercially reasonable efforts to bring one or more licensed products to market as soon as reasonably practicable. The SERI Agreement requires the Company to pay licensing fees for patent rights granted, an annual license maintenance fee, payment of certain development and commercial milestones in the aggregate amount of $16.1 million, and low single-digit percentage royalties on annual net sales of products that fall under the licensed patent rights. The SERI Agreement is a collaborative arrangement within the scope of ASC 808. SERI maintains control of patent preparation, filing, prosecution, and maintenance. The Company is responsible for SERI's out-of-pocket expenses related to the filing, prosecution, and maintenance of the licensed patent rights. In the event that SERI decides to discontinue the prosecution or maintenance of the licensed patent rights, the Company has the right, but not the obligation, to file for, or continue to prosecute, maintain, or enforce such licensed patent rights. The Company has assumed prosecution of certain licensed patent rights under the SERI Agreement. The SERI Agreement will expire on the expiration date of the last to expire licensed patent rights, subject to the earlier termination of the SERI Agreement in accordance with its terms. The Company may terminate the license upon 180 days prior written notice. SERI may immediately terminate the SERI Agreement if the Company ceases to carry on its business with respect to the licensed patent rights, fails to make payments within thirty days of receiving a written notice of missed payment, fails to comply with its diligence obligations, defaults on its obligation to procure and maintain insurance, one of its officers is convicted of a felony related to the licensed products, the Company breaches any material obligation of the agreement and does not cure such breach within 90 days, or if the Company becomes bankrupt or insolvent. Exclusive License Agreement with the University of Colorado In March 2014, the Company entered into an exclusive license agreement with the University of Colorado ("CU"), which was amended in January 2017 and clarified by a letter of understanding in November 2017 (as so amended and clarified, the "CU Agreement"). The CU Agreement gives the Company an exclusive, worldwide, sublicensable license to patents for OCU200 to make, have made, use, import, offer to sell, sell, have sold, and practice the licensed products in all therapeutic applications. Under the CU Agreement, the Company must use commercially reasonable efforts to develop, manufacture, sublicense, market, and sell the licensed products, and has assumed primary responsibility for preparing, filing, and prosecuting broad patent claims for OCU200 for CU's benefit. Further, the Company assumed primary responsibility for all patent activities, including all costs associated with the perfection and maintenance of the patents for OCU200. The CU Agreement requires the payment for certain regulatory milestones aggregating to $1.5 million, an annual minimum payment that began the third year after the effective date, low single-digit percentage earned royalties on net sales, and royalties in the mid-teens on sublicense income of OCU200. The Company has made no milestone or royalty payments to date pursuant to the CU Agreement. The CU Agreement will expire on the latter of the expiration date of the last to expire licensed patent or the end of any relevant statutory or regulatory exclusivity period. The Company may terminate the CU Agreement upon 60 days prior written notice. CU may terminate the CU Agreement upon 60 days notice if the Company fails to make payments within 60 days of such payment's due date, breaches and does not cure any diligence obligation, provides any materially false report, or otherwise materially breaches and does not cure any material provision of the CU Agreement. License Agreement with Purpose Co. Ltd. In December 2005, Histogenics Corporation ("Histogenics") entered into an exclusive agreement (the "Purpose Agreement") to sublicense certain technology from Purpose Co. Ltd. ("Purpose"), which the Company assumed as a result of its reverse merger with Histogenics. Purpose entered into the original license agreement ("BWH-Purpose Agreement") with Brigham and Women's Hospital, Inc. ("BWH") in August 2001. The BWH-Purpose Agreement granted Purpose an exclusive, royalty-bearing, worldwide, sublicensable license, under its rights in licensed patents and patent applications co-owned by BWH and Purpose to make, use, and sell (1) an apparatus for cultivating a cell or tissue, (2) cell or tissue products made using such apparatus, (3) cell or tissue products made using processes for cultivating a cell or tissue as disclosed in the licensed patents and patent applications, and (4) any apparatus that cultivates cells or tissues using such processes, in each case, whose manufacture, use, or sale is covered by a valid claim of the licensed patents and patent applications, only for therapeutic use. Pursuant to the Company's sublicense from Purpose, the Company is obligated to pay minimum royalties and low single-digit royalties based on the net sales of licensed products, milestone payments, and sublicense payments due on the BWH-Purpose Agreement. Histogenics paid an aggregate of $1.0 million in minimum royalty and sublicense payments under the terms of the Purpose Agreement prior to the reverse merger. The Purpose Agreement was amended and restated in June 2012, pursuant to which Purpose granted Histogenics outside of Japan: (i) exclusive rights to all of Purpose's technology (owned or licensed) related to the exogenous tissue processors, which is used in the development of NeoCart, (ii) continued supply of exogenous tissue processors, and (iii) rights to manufacture the exogenous tissue processors at any location the Company chooses. In exchange for such consideration, Purpose was granted an exclusive license in Japan for the use of all of the Company's NeoCart technology and was reimbursed for development costs on a multi-unit exogenous tissue processor. In May 2016, the Purpose Agreement was amended, whereby Histogenics reacquired the development and commercialization rights to NeoCart in Japan. The Purpose Agreement, as amended, provides the Company with the ability, worldwide, to (i) use, make, have made, sell, offer for sale, import or otherwise exploit products or services covered by claims of Purpose's patents and (ii) use, reproduce, modify, create derivative works of and otherwise exploit Purpose's technology for the design, development, manufacture, testing, support, and commercialization of any product or service that incorporates or builds upon Purpose's technology, in each case, only in connection with articular cartilage, ligaments, tendons, and meniscus. Purpose retains the right to sell its single unit exogenous tissue processer machines to research institutes for general but noncommercial use anywhere in the world. Under the Purpose Agreement, the Company is obligated to pay Purpose up to $10.0 million upon the achievement of certain regulatory and commercial milestones as well as a royalty payment in the low single-digits on the net sales in Japan of NeoCart. Such royalty payment shall be reduced to the extent NeoCart does not rely on an outstanding Purpose patent. The BWH-Purpose Agreement remains in effect for the life of the licensed patents. The BWH-Purpose Agreement may be terminated if BWH is provided written notice at least 60 days in advance. BWH has the right to terminate the agreement if minimum royalty payments or other payments fail to be made or otherwise the BWH-Purpose Agreement is breached and such breach is not cured within 30 days of BWH providing notice. Upon the termination of the BWH-Purpose Agreement, the Company's sublicense will convert to a nonexclusive license to only Purpose's interest in the licensed products or processes. Upon written notice to Purpose of the Company's intent to stop using the technology sublicensed to the Company in the BWH-Purpose license, Purpose will reassume all responsibility under the BWH-Purpose license or at Purpose's option, allow the license to lapse.

The Company entered into a co-development and commercialization agreement with CanSino Biologics, Inc. ("CanSinoBIO") with respect to the development and commercialization of the Company's modifier gene therapy product candidates, OCU400, OCU410, and OCU410ST. The co-development and commercialization agreement was originally entered into in September 2019 with regards to OCU400, and was subsequently amended in September 2021 and November 2022 (as so amended, the "CanSinoBIO Agreement"), to include OCU410 and OCU410ST, respectively, to the Company's existing collaboration with CanSinoBIO. Pursuant to the CanSinoBIO Agreement, the Company and CanSinoBIO are collaborating on the development of the Company's modifier gene therapy platform. CanSinoBIO is responsible for the chemistry, manufacturing, and controls development and manufacture of clinical supplies of such products and is responsible for the costs associated with such activities. CanSinoBIO has an exclusive license to develop, manufacture, and commercialize the Company's modifier gene therapy platform in and for China, Hong Kong, Macau, and Taiwan (the "CanSinoBIO Territory"), and the Company maintains exclusive development, manufacturing, and commercialization rights with respect to the Company's modifier gene therapy

CanSinoBIO will pay to the Company an annual royalty between mid- and high-single digits based on Net Sales (as defined in the CanSinoBIO Agreement) of the products included in the Company's modifier gene therapy platform in the CanSinoBIO Territory. The Company will pay to CanSinoBIO an annual royalty between low- and mid-single digits based on Net Sales of the products included in the Company's modifier gene therapy platform in the Company Territory.

Unless earlier terminated, the CanSinoBIO Agreement will continue in force on a country-by-country and product-by-product basis until the later of (a) the expiration of the last valid claim of the Company's patent rights covering OCU400, OCU410, and OCU410ST and (b) the tenth (10th) anniversary of the first commercial sale of OCU410 and OCU410ST in such country. The CanSinoBIO Agreement will also terminate contemporaneously upon the termination of the SERI Agreement (as defined below), provided that CanSinoBIO is not in breach or default of the CanSinoBIO Agreement. The CanSinoBIO Agreement may be terminated by either party in its entirety upon (a) a material or persistent breach of the CanSinoBIO Agreement by the other party, (b) a challenge by the other party or any of its affiliates of any intellectual property controlled by the terminating party, or (c) bankruptcy or insolvency of the other party.

In September 2022, the Company entered into the WU License Agreement with Washington University, pursuant to which the Company was granted an exclusive, sublicensable, royalty-bearing license to patent rights for an inhaled mucosal COVID-19 vaccine, as well as a license to certain tangible research property and technical information necessary to exploit the patent rights within the United States, Europe, and Japan. The Company paid Washington University an initial license issuance fee of $1.0 million, which was recognized as research and development expense in the consolidated statement of operations and comprehensive loss during the year ended December 31, 2022. In January 2023, the Company amended the WU License Agreement to add the countries of South Korea, Australia, and China to the Mucosal Vaccine Territory. The Company is required to pay Washington University an annual license maintenance fee, payments upon the achievement of certain development and commercial milestones in the aggregate amount of up to $37.0 million, and low single-digit percentage royalties on Net Sales of licensed products (as defined in the WU License Agreement).

Pursuant to the WU License Agreement, the Company may make, have made, sell, offer for sale, use, market, promote, distribute, export, and import licensed products in the Mucosal Vaccine Territory. The Company will use commercially reasonable efforts to develop, manufacture, promote, and sell the licensed products in the Mucosal Vaccine Territory.

Washington University maintains control of patent preparation, filing, prosecution, and maintenance. The Company is responsible for Washington University's out-of-pocket expenses related to the preparation, filing, prosecution, issuance, and maintenance of the licensed patent rights incurred pursuant to the WU License Agreement.

The WU License Agreement will expire on a country-by-country basis and a licensed product-by-licensed product basis and end, separately in each such country and for each such licensed product, upon the latter of (a) the expiration date of the last valid claim, (b) the fifteenth (15th) anniversary of the date of the first commercial sale of a licensed product, or (c) the expiration of the last form of market exclusivity (as defined in the WU License Agreement), subject to the earlier termination of the WU License Agreement in accordance with its terms. In addition, the Company may terminate the WU License Agreement without cause by giving at least 90 days written notice. The WU License Agreement contains customary termination provisions in the event of an uncured material breach or upon certain corporate actions, including bankruptcy, receivership, or liquidation.

The Company entered into the Covaxin Agreement with Bharat Biotech to co-develop COVAXIN for the Ocugen Covaxin Territory. The Covaxin Agreement was originally entered into in February 2021 with respect to the U.S. market and was subsequently amended in June 2021 to add rights to the Canadian market, for which the Company paid Bharat Biotech a non-refundable, upfront payment of $15.0 million in June 2021, which was recognized as research and development expense in the consolidated statements of operations and comprehensive loss during the year ended December 31, 2021. The Company additionally agreed to pay Bharat Biotech $10.0 million within 30 days after the first commercial sale of COVAXIN in Canada. The Covaxin Agreement was amended a second time in April 2022 to add rights to the Mexican market. The Covaxin Agreement is a collaborative arrangement within the scope of ASC 808.

Ocugen Covaxin Territory. In consideration of the license and other rights granted to the Company by Bharat Biotech, the parties agreed to share any operating profits (as defined in the Covaxin Agreement) generated from the commercialization of COVAXIN in the Ocugen Covaxin Territory, with the Company retaining 45% of such profits, and Bharat Biotech receiving the balance of such profits.

Under the Covaxin Agreement, the Company is collaborating with Bharat Biotech to develop COVAXIN for their respective territories. Except with respect to manufacturing rights under certain circumstances as described below, the Company has the exclusive right and is solely responsible for researching, developing, manufacturing, and commercializing COVAXIN for the Ocugen Covaxin Territory. Bharat Biotech is responsible for researching, developing, manufacturing, and commercializing COVAXIN outside of the Ocugen Covaxin Territory. Bharat Biotech agreed to provide to the Company preclinical and clinical data, and to transfer to the Company certain proprietary technology owned or controlled by Bharat Biotech, that is necessary for the successful commercial manufacture and supply of COVAXIN to support potential commercial sale in the Ocugen Covaxin Territory.

In September 2021, the Company entered into a Development and Commercial Supply Agreement (the "Supply Agreement") with Bharat Biotech, pursuant to which Bharat Biotech will supply the Company with clinical trial materials and commercial supplies of COVAXIN finished drug product prior to the completion of a technology transfer. Following the completion of a technology transfer, Bharat Biotech will supply COVAXIN drug product components and continue to supply finished drug product as necessary for the commercial manufacture and supply of COVAXIN. In March 2021, the Company issued shares of Series B Convertible Preferred Stock (as defined in Note 10) as an advance payment for the supply of COVAXIN to be provided by Bharat Biotech under the Supply Agreement. See Note 10 for additional information about the Series B Convertible Preferred Stock issuance to Bharat Biotech.

The Covaxin Agreement continues in effect for the commercial life of COVAXIN, subject to the earlier termination of the Covaxin Agreement in accordance with its terms. The Covaxin Agreement also contains customary representations and warranties made by the Company and Bharat Biotech and customary provisions relating to indemnification, limitation of liability, confidentiality, information and data sharing, and other matters. The Supply Agreement expires upon the expiration of the Covaxin Agreement and may be earlier terminated by the Company or Bharat Biotech in the event of an uncured material breach or bankruptcy of the other party.

In December 2017, the Company entered into an exclusive license agreement with The Schepens Eye Research Institute, Inc. ("SERI"), which was amended in January 2021 (as so amended, the "SERI Agreement"). The SERI Agreement gives the Company an exclusive, worldwide, sublicensable license to patent rights, biological materials, and technical information for NHR genes Nuclear Receptor Subfamily 1 Group D Member 1 ("NR1D1"), NR2E3 (OCU400), RORA (OCU410 and OCU410ST), Nuclear Protein 1, Transcriptional Regulator ("NUPR1"), and Nuclear Receptor Subfamily 2 Group C Member 1 ("NR2C1"). The January 2021 amendment to the SERI Agreement additionally granted the Company rights in co-owned intellectual property pursuant to certain patents and provisional patents at the time of the amendment. Under the SERI Agreement, the Company may make, have made, use, offer to sell, sell, and import licensed products, and must use commercially reasonable efforts to bring one or more licensed products to market as soon as reasonably practicable.

The SERI Agreement requires the Company to pay licensing fees for patent rights granted, an annual license maintenance fee, payment of certain development and commercial milestones in the aggregate amount of $16.1 million, and low single-digit percentage royalties on annual net sales of products that fall under the licensed patent rights. The SERI Agreement is a collaborative arrangement within the scope of ASC 808.

SERI maintains control of patent preparation, filing, prosecution, and maintenance. The Company is responsible for SERI's out-of-pocket expenses related to the filing, prosecution, and maintenance of the licensed patent rights. In the event that SERI decides to discontinue the prosecution or maintenance of the licensed patent rights, the Company has the right, but not the obligation, to file for, or continue to prosecute, maintain, or enforce such licensed patent rights. The Company has assumed prosecution of certain licensed patent rights under the SERI Agreement.

The SERI Agreement will expire on the expiration date of the last to expire licensed patent rights, subject to the earlier termination of the SERI Agreement in accordance with its terms. The Company may terminate the license upon 180 days prior written notice. SERI may immediately terminate the SERI Agreement if the Company ceases to carry on its business with respect to the licensed patent rights, fails to make payments within thirty days of receiving a written notice of missed payment, fails to comply with its diligence obligations, defaults on its obligation to procure and maintain insurance, one of its officers is

In March 2014, the Company entered into an exclusive license agreement with the University of Colorado ("CU"), which was amended in January 2017 and clarified by a letter of understanding in November 2017 (as so amended and clarified, the "CU Agreement"). The CU Agreement gives the Company an exclusive, worldwide, sublicensable license to patents for OCU200 to make, have made, use, import, offer to sell, sell, have sold, and practice the licensed products in all therapeutic applications. Under the CU Agreement, the Company must use commercially reasonable efforts to develop, manufacture, sublicense, market, and sell the licensed products, and has assumed primary responsibility for preparing, filing, and prosecuting broad patent claims for OCU200 for CU's benefit. Further, the Company assumed primary responsibility for all patent activities, including all costs associated with the perfection and maintenance of the patents for OCU200.

The CU Agreement requires the payment for certain regulatory milestones aggregating to $1.5 million, an annual minimum payment that began the third year after the effective date, low single-digit percentage earned royalties on net sales, and royalties in the mid-teens on sublicense income of OCU200. The Company has made no milestone or royalty payments to date pursuant to the CU Agreement.

The CU Agreement will expire on the latter of the expiration date of the last to expire licensed patent or the end of any relevant statutory or regulatory exclusivity period. The Company may terminate the CU Agreement upon 60 days prior written notice. CU may terminate the CU Agreement upon 60 days notice if the Company fails to make payments within 60 days of such payment's due date, breaches and does not cure any diligence obligation, provides any materially false report, or otherwise materially breaches and does not cure any material provision of the CU Agreement.

In December 2005, Histogenics Corporation ("Histogenics") entered into an exclusive agreement (the "Purpose Agreement") to sublicense certain technology from Purpose Co. Ltd. ("Purpose"), which the Company assumed as a result of its reverse merger with Histogenics. Purpose entered into the original license agreement ("BWH-Purpose Agreement") with Brigham and Women's Hospital, Inc. ("BWH") in August 2001. The BWH-Purpose Agreement granted Purpose an exclusive, royalty-bearing, worldwide, sublicensable license, under its rights in licensed patents and patent applications co-owned by BWH and Purpose to make, use, and sell (1) an apparatus for cultivating a cell or tissue, (2) cell or tissue products made using such apparatus, (3) cell or tissue products made using processes for cultivating a cell or tissue as disclosed in the licensed patents and patent applications, and (4) any apparatus that cultivates cells or tissues using such processes, in each case, whose manufacture, use, or sale is covered by a valid claim of the licensed patents and patent applications, only for therapeutic use. Pursuant to the Company's sublicense from Purpose, the Company is obligated to pay minimum royalties and low single-digit royalties based on the net sales of licensed products, milestone payments, and sublicense payments due on the BWH-Purpose Agreement. Histogenics paid an aggregate of $1.0 million in minimum royalty and sublicense payments under the terms of the Purpose Agreement prior to the reverse merger.

The Purpose Agreement was amended and restated in June 2012, pursuant to which Purpose granted Histogenics outside of Japan: (i) exclusive rights to all of Purpose's technology (owned or licensed) related to the exogenous tissue processors, which is used in the development of NeoCart, (ii) continued supply of exogenous tissue processors, and (iii) rights to manufacture the exogenous tissue processors at any location the Company chooses. In exchange for such consideration, Purpose was granted an exclusive license in Japan for the use of all of the Company's NeoCart technology and was reimbursed for development costs on a multi-unit exogenous tissue processor. In May 2016, the Purpose Agreement was amended, whereby Histogenics reacquired the development and commercialization rights to NeoCart in Japan.

The Purpose Agreement, as amended, provides the Company with the ability, worldwide, to (i) use, make, have made, sell, offer for sale, import or otherwise exploit products or services covered by claims of Purpose's patents and (ii) use, reproduce, modify, create derivative works of and otherwise exploit Purpose's technology for the design, development, manufacture, testing, support, and commercialization of any product or service that incorporates or builds upon Purpose's technology, in each case, only in connection with articular cartilage, ligaments, tendons, and meniscus. Purpose retains the right to sell its single unit exogenous tissue processer machines to research institutes for general but noncommercial use anywhere in the world.

Under the Purpose Agreement, the Company is obligated to pay Purpose up to $10.0 million upon the achievement of certain regulatory and commercial milestones as well as a royalty payment in the low single-digits on the net sales in Japan of NeoCart. Such royalty payment shall be reduced to the extent NeoCart does not rely on an outstanding Purpose patent.