UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________

FORM 6-K

Report of Foreign Private Issuer Pursuant to Rule 13a-16 or

15d-16 of the Securities Exchange Act of 1934

For the month of January 2021

Commission File Number: 1-15256

_____________________

OI S.A. – In Judicial Reorganization

(Exact Name as Specified in its Charter)

N/A

(Translation of registrant’s name into English)

Rua Humberto de Campos, No. 425, 8th floor – Leblon

22430-190 Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F:   ýForm 40-F:   o

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)):

Yes:   oNo:   ý

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)):

Yes:   o      No:   ý

(Indicate by check mark whether the registrant by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes:   o      No:   ý

If “Yes” is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b):

Oi S.A. – In Judicial Reorganization

Corporate Taxpayers’ Registry (CNPJ/ME) No. 76.535.764/0001-43

Board of Trade (NIRE) No. 33.3.0029520-8

Publicly-held Company

NOTICE TO THE MARKET

On-line Event Attendance with Genial Investimentos 01/14/2021

Oi S.A. - In Judicial Reorganization ("Oi" or the "Company"), in compliance with Article 157, paragraph 4, of Law No. 6.404/1976 and the provisions of CVM Instruction No. 358/2002, hereby informs its shareholders and the market in general that its executives will attend a public online meeting organized by Genial Investimentos on 01/04/2021, as it follows:

Camille Loyo Faria – Chief Financial Officer and Investor Relations Officer

Event: Conversa Aberta com a OI

Organizer: Genial Investimentos

Date and hour: January 14, 2021, at 12 am

Link: https://www.youtube.com/watch?v=XNxV-v7EgdQ&feature=youtu.be

Oi S.A. – In Judicial Reorganization

Camille Loyo Faria

Chief Financial Officer and Investor Relations Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: January 13, 2021

OI S.A. – In Judicial Reorganization

By: /s/ Camille Loyo Faria

Name: Camille Loyo Faria

Title: Chief Financial and Investor Relations Officer