SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Oliver Press Partners, LLC (Last) (First) (Middle) 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol COHERENT INC [ COHR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) Disclaimed Group
	3. Date of Earliest Transaction (Month/Day/Year) 11/23/2009
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/23/2009		S		10,000	D	$26.5222	2,521,676(1)(2)	I(1)(2)	By Davenport Partners, L.P., JE Partners and Oliver Press Master Fund LP(1)(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Oliver Press Partners, LLC (Last) (First) (Middle) 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) Disclaimed Group

1. Name and Address of Reporting Person* Oliver Press Investors, LLC (Last) (First) (Middle) 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) Disclaimed Group

1. Name and Address of Reporting Person* OLIVER AUGUSTUS K (Last) (First) (Middle) OLIVER PRESS PARTNERS, LLC 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) Disclaimed Group

1. Name and Address of Reporting Person* Press Clifford (Last) (First) (Middle) C/O OLIVER PRESS PARTNERS, LLC 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) Disclaimed Group

Explanation of Responses:

1. As of November 23, 2009, Davenport Partners, L.P., a Delaware limited partnership ("Davenport"), held 184,697 shares of common stock, $0.01 par value per share (the "Shares"), of Coherent, Inc., a Delaware corporation (the "Company"). As of November 23, 2009, JE Partners, a Bermuda partnership ("JE"), held 2,280,771 Shares. As of November 23, 2009, Oliver Press Master Fund LP, a Cayman limited partnership ("Master Fund" and, together with Davenport and JE, the "Partnerships"), held 56,208 Shares. Oliver Press Investors, LLC, a Delaware limited liability company ("OPI"), serves as the general partner of each of the Partnerships. Oliver Press Partners, LLC, a Delaware limited liability company ("OPP"), serves as the investment adviser to each of the Partnerships. Clifford Press ("Press") and Augustus K. Oliver ("Oliver" and, collectively with OPI and OPP, the "Filing Parties") serve as the Managing Members of each of OPI and OPP.

2. The Filing Parties share the power to vote and the power to direct the disposition of the Shares held by the Partnerships. The Filing Parties' interest in the securities reported herein is limited to their pecuniary interest in the Partnerships, if any.

Remarks:

	/s/ Augustus K. Oliver, Managing Member of Oliver Press Partners, LLC	11/25/2009
	/s/ Augustus K. Oliver, Managing Member of Oliver Press Investors, LLC	11/25/2009
	/s/ Augustus K. Oliver	11/25/2009
	/s/ Clifford Press	11/25/2009
	** Signature of Reporting Person	Date
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