FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * MERRITT WILLIAM J   2. Issuer Name and Ticker or Trading Symbol InterDigital, Inc. [IDCC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 781 THIRD AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 11/08/2010 (Street) KING OF PRUSSIA, PA 19406 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 11/08/2010   M(1)   16,750 A $ 13.19 117,245 D   Common Stock 11/08/2010   M(1)   40,000 A $ 12.07 157,245 D   Common Stock 11/08/2010   S(1)   56,750 D $ 34.52 (2) 100,495 D   Common Stock               2,913 (3) I By 401(k) Plan

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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 Underlying Securities (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 of Derivative Security: 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

Options (Right-to-Buy)

$ 13.19

11/08/2010

M(1)

16,750

06/30/2001(4)

01/29/2011

Common Stock

25,000

$ 0

0

D

Options (Right-to-Buy)

$ 12.07

11/08/2010

M(1)

40,000

12/31/2001(5)

07/12/2011

Common Stock

50,000

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MERRITT WILLIAM J 781 THIRD AVENUE KING OF PRUSSIA, PA 19406	X		President and CEO

Signatures

/s/ Claire H. Hanna, Attorney-in-Fact for William J. Merritt		11/10/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
(2)	The price reported is the weighted average sale price for the transactions reported. The sale prices ranged from $34.36 to $34.59. Full information about the transactions reported will be provided upon request.
(3)	As of the most recently published account statement, the reporting person beneficially owned this number of whole shares of common stock pursuant to the InterDigital Savings and Protection Plan.
(4)	A grant of 25,000 options that vested every six months, first in two installments of 4,166 and second in four installments of 4,167, beginning on the date specified, and that were set to expire on 01/29/2011.
(5)	A grant of 50,000 options that vested every six months, first in four installments of 8,333 and second in two installments of 8,334, beginning on the date specified, and that were set to expire on 07/12/2011.

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