UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                  SCHEDULE 13D
                    Under the Securities Exchange Act of 1934
                               (Amendment No. 5)*


                                 Coherent, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    192479103
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                                 with a copy to:
     Augustus K. Oliver                          Allen B. Levithan, Esq.
     Oliver Press Partners, LLC                  Lowenstein Sandler PC
     152 West 57th Street                        65 Livingston Avenue
     New York, New York 10019                    Roseland, New Jersey 07068
     (212) 277-5654                              (973) 597-2406
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 January 5, 2009
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)



If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-1(g),  check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Section 240.13d-7 for other
parties to whom copies are to be sent.

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




Cusip No.     192479103
--------------------------------------------------------------------------------
1.   Names of Reporting  Persons:  Oliver Press Partners, LLC
     I.R.S.  Identification  Nos. of above persons (entities only):  20-2688930

--------------------------------------------------------------------------------
2.   Check the Appropriate Box if a Member of a Group (See Instructions):

     (a)
     (b)    X
--------------------------------------------------------------------------------
3.   SEC Use Only

--------------------------------------------------------------------------------
4.   Source of Funds (See Instructions):  OO
--------------------------------------------------------------------------------
5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d)
     or 2(e):

--------------------------------------------------------------------------------
6.   Citizenship or Place of Organization:  Delaware
--------------------------------------------------------------------------------

   Number of                          7. Sole Voting Power:                   0
                                         ---------------------------------------
   Shares Beneficially                8. Shared Voting Power:         2,581,097*
                                         ---------------------------------------
   Owned by
   Each Reporting                     9. Sole Dispositive Power:              0
                                         ---------------------------------------
   Person With                       10. Shared Dispositive Power:    2,581,097*
                                         ---------------------------------------
--------------------------------------------------------------------------------
11.  Aggregate Amount Beneficially Owned by Each Reporting Person:   2,581,097*
--------------------------------------------------------------------------------
12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions):
--------------------------------------------------------------------------------
13.  Percent of Class Represented by Amount in Row (11):  10.6%*
--------------------------------------------------------------------------------
14.  Type of Reporting Person (See Instructions):  IA
--------------------------------------------------------------------------------

* This is a joint filing by Oliver Press Partners,  LLC, Oliver Press Investors,
LLC,  Augustus K. Oliver and Clifford Press, who share the power to vote and the
power to direct the disposition of the 244,118 shares of common stock, par value
$0.01 per share (the "Shares"),  of Coherent,  Inc., a Delaware corporation (the
"Company"),  owned,  as of January 5,  2009,  by  Davenport  Partners,  L.P.,  a
Delaware  limited  partnership,  the  2,280,771  Shares owned by JE Partners,  a
Bermuda partnership, and the 56,208 Shares owned by Oliver Press Master Fund LP,
a Cayman limited partnership.




Cusip No.     192479103
--------------------------------------------------------------------------------
1.   Names of Reporting  Persons:  Oliver Press Investors, LLC
     I.R.S.  Identification  Nos. of above persons (entities only):  20-2688868

--------------------------------------------------------------------------------
2.   Check the Appropriate Box if a Member of a Group (See Instructions):

     (a)
     (b)    X
--------------------------------------------------------------------------------
3.   SEC Use Only

--------------------------------------------------------------------------------
4.   Source of Funds (See Instructions):  OO
--------------------------------------------------------------------------------
5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d)
     or 2(e):

--------------------------------------------------------------------------------
6.   Citizenship or Place of Organization:  Delaware
--------------------------------------------------------------------------------

   Number of                          7. Sole Voting Power:                   0
                                         ---------------------------------------
   Shares Beneficially                8. Shared Voting Power:         2,581,097*
                                         ---------------------------------------
   Owned by
   Each Reporting                     9. Sole Dispositive Power:              0
                                         ---------------------------------------
   Person With                       10. Shared Dispositive Power:    2,581,097*
                                         ---------------------------------------
--------------------------------------------------------------------------------
11.  Aggregate Amount Beneficially Owned by Each Reporting Person:   2,581,097*
--------------------------------------------------------------------------------
12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions):
--------------------------------------------------------------------------------
13.  Percent of Class Represented by Amount in Row (11):  10.6%*
--------------------------------------------------------------------------------
14.  Type of Reporting Person (See Instructions):  PN
--------------------------------------------------------------------------------

* This is a joint filing by Oliver Press Partners,  LLC, Oliver Press Investors,
LLC,  Augustus K. Oliver and Clifford Press, who share the power to vote and the
power to direct the disposition of the 244,118 shares of common stock, par value
$0.01 per share (the "Shares"),  of Coherent,  Inc., a Delaware corporation (the
"Company"),  owned,  as of January 5,  2009,  by  Davenport  Partners,  L.P.,  a
Delaware  limited  partnership,  the  2,280,771  Shares owned by JE Partners,  a
Bermuda partnership, and the 56,208 Shares owned by Oliver Press Master Fund LP,
a Cayman limited partnership.





Cusip No.     192479103
--------------------------------------------------------------------------------
1.   Names of Reporting  Persons:  Augustus K. Oliver
     I.R.S.  Identification  Nos. of above persons (entities only):

--------------------------------------------------------------------------------
2.   Check the Appropriate Box if a Member of a Group (See Instructions):

     (a)
     (b)    X
--------------------------------------------------------------------------------
3.   SEC Use Only

--------------------------------------------------------------------------------
4.   Source of Funds (See Instructions):  OO
--------------------------------------------------------------------------------
5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d)
     or 2(e):

--------------------------------------------------------------------------------
6.   Citizenship or Place of Organization:  United States
--------------------------------------------------------------------------------

   Number of                          7. Sole Voting Power:                   0
                                         ---------------------------------------
   Shares Beneficially                8. Shared Voting Power:         2,581,097*
                                         ---------------------------------------
   Owned by
   Each Reporting                     9. Sole Dispositive Power:              0
                                         ---------------------------------------
   Person With                       10. Shared Dispositive Power:    2,581,097*
                                         ---------------------------------------
--------------------------------------------------------------------------------
11.  Aggregate Amount Beneficially Owned by Each Reporting Person:   2,581,097*
--------------------------------------------------------------------------------
12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions):
--------------------------------------------------------------------------------
13.  Percent of Class Represented by Amount in Row (11):  10.6%*
--------------------------------------------------------------------------------
14.  Type of Reporting Person (See Instructions):  IN
--------------------------------------------------------------------------------

* This is a joint filing by Oliver Press Partners,  LLC, Oliver Press Investors,
LLC,  Augustus K. Oliver and Clifford Press, who share the power to vote and the
power to direct the disposition of the 244,118 shares of common stock, par value
$0.01 per share (the "Shares"),  of Coherent,  Inc., a Delaware corporation (the
"Company"),  owned,  as of January 5,  2009,  by  Davenport  Partners,  L.P.,  a
Delaware  limited  partnership,  the  2,280,771  Shares owned by JE Partners,  a
Bermuda partnership, and the 56,208 Shares owned by Oliver Press Master Fund LP,
a Cayman limited partnership.




Cusip No.     192479103
--------------------------------------------------------------------------------
1.   Names of Reporting  Persons:  Clifford Press
     I.R.S.  Identification  Nos. of above persons (entities only):

--------------------------------------------------------------------------------
2.   Check the Appropriate Box if a Member of a Group (See Instructions):

     (a)
     (b)    X
--------------------------------------------------------------------------------
3.   SEC Use Only

--------------------------------------------------------------------------------
4.   Source of Funds (See Instructions):  OO
--------------------------------------------------------------------------------
5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d)
     or 2(e):

--------------------------------------------------------------------------------
6.   Citizenship or Place of Organization:  United States
--------------------------------------------------------------------------------

   Number of                          7. Sole Voting Power:               2,000
                                         ---------------------------------------
   Shares Beneficially                8. Shared Voting Power:         2,581,097*
                                         ---------------------------------------
   Owned by
   Each Reporting                     9. Sole Dispositive Power:          2,000
                                         ---------------------------------------
   Person With                       10. Shared Dispositive Power:    2,581,097*
                                         ---------------------------------------
--------------------------------------------------------------------------------
11.  Aggregate Amount Beneficially Owned by Each Reporting Person:    2,583,097*
--------------------------------------------------------------------------------
12.  Check if the Aggregate Amount in Row (11) Excludes Certain Shares
     (See Instructions):
--------------------------------------------------------------------------------
13.  Percent of Class Represented by Amount in Row (11):  10.6%*
--------------------------------------------------------------------------------
14.  Type of Reporting Person (See Instructions):  IN
--------------------------------------------------------------------------------

* This is a joint filing by Oliver Press Partners,  LLC, Oliver Press Investors,
LLC,  Augustus K. Oliver and Clifford Press, who share the power to vote and the
power to direct the disposition of the 244,118 shares of common stock, par value
$0.01 per share (the "Shares"),  of Coherent,  Inc., a Delaware corporation (the
"Company"),  owned,  as of January 5,  2009,  by  Davenport  Partners,  L.P.,  a
Delaware  limited  partnership,  the  2,280,771  Shares owned by JE Partners,  a
Bermuda partnership, and the 56,208 Shares owned by Oliver Press Master Fund LP,
a Cayman limited partnership.




Item 4.   Purpose of Transaction.
          ----------------------

          Item 4 is hereby amended by adding the following paragraph immediately
after the second paragraph thereof:

          "On January 5, 2009,  the Filing Parties and the Company  entered into
Amendment No. 1 to the Agreement (the "Amended  Agreement"),  pursuant to which,
among other things, the Company agreed to nominate Mr. Press for election to the
Company's   Board  of  Directors  at  the  Company's   next  annual  meeting  of
stockholders  to be held in 2009 (the "2009  Annual  Meeting").  The  standstill
provisions  summarized in the previous paragraph were extended until the earlier
to occur of (i) the first  anniversary  of the 2009 Annual  Meeting and (ii) the
final  adjournment of the 2009 Annual Meeting if Mr. Press is not elected to the
Company's Board of Directors at the 2009 Annual Meeting."


Item 5.   Interest in Securities of the Issuer.
          -------------------------------------

          Item 5 is  hereby  deleted  in its  entirety  and  replaced  with  the
following:

          "As of the close of  business  on  January 5,  2009,  Davenport  owned
244,118 Shares, JE owned 2,280,771 Shares,  and Master Fund owned 56,208 Shares,
constituting 1.0%, 9.4% and 0.2%,  respectively,  and 10.6% in the aggregate, of
the  approximately  24,337,561  Shares  outstanding  as of November 10, 2008, as
disclosed in the Company's  annual report on Form 10-K for the fiscal year ended
September 27, 2008. OPP, as the investment adviser to the Partnerships,  has the
power to vote and the power to direct the  disposition  of such Shares.  OPI, as
the general partner of  the  Partnerships,  and Messrs. Oliver and Press, as the
Managing Members of OPP and OPI, share the power to vote and the power to direct
the disposition of such Shares.  As of the close of business on January 5, 2009,
Mr. Press owned, individually, 2,000 Shares.


          The Filing Parties have not effected any transactions in Shares during
the sixty (60) days on or prior to January 5, 2009."


Item 6.   Contracts, Arrangements, Understandings or Relationships  With Respect
          to Securities of the Issuer.
          ----------------------------------------------------------------------

          Item 6 is  hereby  amended  by adding  the  following  two  paragraphs
immediately after the second paragraph thereof:

          "As described in Item 4 above,  on January 5, 2009, the Filing Parties
entered  into the  Amended  Agreement.  In  addition to the terms of the Amended
Agreement described in Item 4 above, the Amended Agreement provides that, during
the  effective  period of certain  restrictions  set forth  therein,  the Filing
Parties will cause any Shares held by the Partnerships to be voted in accordance
with the  recommendation  of the  Company's  Board of Directors if Mr. Press has
approved and joined in any such  recommendation in his capacity as a director of
the Company.






          The  descriptions of the Amended  Agreement set forth in this Schedule
13D Amendment No. 5 are qualified in their entirety by reference to the complete
agreement  governing such matters,  which is  incorporated  by reference to this
Schedule 13D Amendment No. 5 as an exhibit pursuant to Item 7 hereof."


Item 7.   Exhibits.
          --------

          Item 7 is hereby  amended by adding the following  exhibits  after the
first exhibit thereof:

          Exhibit 2 -  Amendment  No. 1 to Letter  Agreement,  dated  January 5,
2009,  between  Coherent,  Inc. and Oliver  Press  Partners,  LLC,  Oliver Press
Investors, LLC, Augustus K. Oliver and Clifford Press, incorporated by reference
to Exhibit 10.1 to the Company's Current Report on Form 8-K filed by the Company
on January 8, 2009.

          Exhibit A - Joint Filing  Agreement,  dated as of January 8, 2009,  by
and among Oliver Press Investors,  LLC, Oliver Press Partners,  LLC, Augustus K.
Oliver and Clifford Press.








                                    Signature
                                    ---------

          After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

                                            January 8, 2009


                                            OLIVER PRESS INVESTORS, LLC

                                            By: /s/ Augustus K. Oliver
                                               ---------------------------------
                                                    Augustus K. Oliver
                                                    Managing Member


                                            OLIVER PRESS PARTNERS, LLC

                                            By: /s/ Clifford Press
                                               ---------------------------------
                                                    Clifford Press
                                                    Managing Member


                                            /s/ Augustus K. Oliver
                                            ------------------------------------
                                                Augustus K. Oliver


                                            /s/ Clifford Press
                                            ------------------------------------
                                                Clifford Press



  Attention: Intentional misstatements or omissions of fact constitute Federal
                    criminal violations (See 18 U.S.C. 1001).





                                   Exhibit A

                             JOINT FILING AGREEMENT
                             ----------------------



          The undersigned  agree that this Schedule 13D Amendment No. 5 relating
to the shares of common  stock of Coherent,  Inc. is filed  jointly on behalf of
each of the undersigned pursuant to Rule 13d-1(k).


                                            January 8, 2009



                                            OLIVER PRESS INVESTORS, LLC

                                            By: /s/ Augustus K. Oliver
                                               ---------------------------------
                                                    Augustus K. Oliver
                                                    Managing Member


                                            OLIVER PRESS PARTNERS, LLC

                                            By: /s/ Clifford Press
                                               ---------------------------------
                                                    Clifford Press
                                                    Managing Member



                                            /s/ Augustus K. Oliver
                                            ------------------------------------
                                                Augustus K. Oliver



                                            /s/ Clifford Press
                                            ------------------------------------
                                                Clifford Press