Exhibit 10.2

AMENDMENT NO. 3

to

ASSIGNMENT AGREEMENT

This AMENDMENT TO ASSIGNMENT AGREEMENT ("Amendment"), effective as
of March 30, 2009 (the "Amendment Date"), is made and entered into by and between PHARMACYCLICS,
INC., a Delaware corporation having a place of business at 995 East Arques Avenue, Sunnyvale, California 94085,
("Pharmacyclics") and CELERA CORPORATION having a place of business at 1401 Harbor Bay Parkway,
Alameda, California 94502 ("Celera").  Pharmacyclics and Celera may each be referred to herein individually as a
"Party" or, collectively, as "Parties."

WHEREAS, Applera Corporation, through its Celera Group, entered into an assignment agreement with
Pharmacyclics, effective as of April 7, 2006, whereby the Celera Group assigned to Pharmacyclics certain proprietary technology and
know-how related to the Celera Programs, including but not limited to the HDAC Program (the "Original Assignment
Agreement");

WHEREAS, Pharmacyclics and the Applera Corporation, through its Celera Group, subsequently executed
Amendment No. 1 to the Original Assignment Agreement, effective May 12, 2008, in order to amend certain payment terms of the
Assignment Agreement relating to [***] [***] (the "First Amendment");

WHEREAS, Pharmacyclics and Celera
Corporation, through its Celera Group, subsequently executed Amendment No. 2 to the Original Assignment Agreement, effective March 2,
2009, in order to amend certain payment terms of the Assignment Agreement relating to [***] [***] (the "Second
Amendment") (the Original Assignment Agreement, as amended by the First Amendment and the Second Amendment,
hereinafter the "Assignment Agreement");

WHEREAS, Pharmacyclics desires that certain terms of the Assignment Agreement should be amended;
and

WHEREAS, Celera desires that such terms should be amended, subject to the terms and conditions set
forth below.

NOW, THEREFORE, in consideration of the mutual covenants and obligations set forth herein, and for
other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, Pharmacyclics and Celera hereby
agree as follows:

1. In General.

|*** | Indicates that material has been omitted and confidential treatment has been requested, therefore all such omitted
material has been filed separately with the Commission pursuant to Rule 246-2.
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1. Amendment of the Assignment Agreement.
2. In the case of any Assigned Product described in Section 1.5, Section 1.28 (except in the case of Assigned
Products described in Section 1.28(b)(iii)) and Section 1.35 (except in the case of Assigned Products described in Section 1.35(b)(iii))
foras long as the manufacture, use, sale, offer for sale or import of such Assigned Product is covered by a Celera Patent in the
country in which such Assigned Product is used or sold. 
With respect to an Assigned Product that is an  [***] [***]  (including, without limitation, [***], any backup [***] and
[***]):
Royalties will be due only when the sale of such [***]  [***]  is covered by a Valid Claim of a Celera Patent in the
country in which such product is sold; andIf an [***]  [***]  is covered by  a Valid Claim of a Celera Patent in the country of sale, but if the product is
nonetheless subject to generic competition, then the royalty rate will be reduced from [***] % to [***] % with respect to sales in such country
[***] [***]and its territories.
3. With respect to an Assigned Product that is an  [***] [***]  (including, without limitation, [***], any backup [***] and
[***]):
Royalties will be due only when the sale of such [***]  [***]  is covered by a Valid Claim of a Celera Patent in the
country in which such product is sold; andIf an [***]  [***]  is covered by  a Valid Claim of a Celera Patent in the country of sale, but if the product is
nonetheless subject to generic competition, then the royalty rate will be reduced from [***] % to [***] % with respect to sales in such country
[***] [***]and its territories.
4. Royalties will be due only when the sale of such [***]  [***]  is covered by a Valid Claim of a Celera Patent in the
country in which such product is sold; and
5. If an [***]  [***]  is covered by  a Valid Claim of a Celera Patent in the country of sale, but if the product is
nonetheless subject to generic competition, then the royalty rate will be reduced from [***] % to [***] % with respect to sales in such country
[***] [***]and its territories.
6. In the case of any Assigned Product described in Section 1.28(b)(iii), for a period of [***] ([***]) years beginning
on the date of first commercial sale of such Assigned Product.
7. Reference to and Effect on the Assignment Agreement.


3.1   Pursuant to Section 13.1 of the Assignment Agreement, this Amendment shall be effective upon the
Amendment Date, whereupon the Assignment Agreement shall be, and hereby is, amended as set forth herein.

3.2   On and after the Amendment Date, each reference in the Assignment Agreement to "this
Agreement," "hereunder," "hereof," "herein" or words of like import shall mean and be a reference to
the Assignment Agreement as amended hereby.  No reference to this Amendment need

|*** | Indicates that material has been omitted and confidential treatment has been requested, therefore all such omitted
material has been filed separately with the Commission pursuant to Rule 246-2.
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1. Counterparts.

This Amendment may be executed in one or more counterparts, each of which shall be deemed to be an original,
but all of which together shall constitute a single instrument.



|PHARMACYCLICS, INC. ("Pharmacyclics")


By: /s/ Robert W. Duggan Print Name: Robert W. Duggan Title: Chairman & CEO |  | CELERA CORPORATION ("Celera")


By: /s/ Kathy Ordonez   Print Name: Kathy Ordonez Title: CEO
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3

|*** | Indicates that material has been omitted and confidential treatment has been requested, therefore all such omitted
material has been filed separately with the Commission pursuant to Rule 246-2.
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