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 * CLONTZ STEVEN T   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 _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 781 THIRD AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 11/04/2010 (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 11/04/2010   M(1)   8,000 A $ 6.88 89,448 D   Common Stock 11/04/2010   S(1)   8,000 D $ 35 81,448 D   Common Stock 11/04/2010   M(1)   12,000 A $ 7.25 93,448 D   Common Stock 11/04/2010   S(1)   12,000 D $ 35 81,448 D   Common Stock 11/04/2010   M(1)   19,200 A $ 7.25 100,648 D   Common Stock 11/04/2010   S(1)   19,200 D $ 35 81,448 D   Common Stock 11/04/2010   M(1)   8,800 A $ 7.75 90,248 D   Common Stock 11/04/2010   S(1)   8,800 D $ 35 81,448 D   Common Stock 11/04/2010   M(1)   10,000 A $ 10.41 91,448 D   Common Stock 11/04/2010   S(1)   10,000 D $ 35 81,448 D   Common Stock 11/04/2010   M(1)   28,000 A $ 11.69 109,448 D   Common Stock 11/04/2010   S(1)   28,000 D $ 35 81,448 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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)

$ 6.88

11/04/2010

M(1)

8,000

01/08/2001(2)

01/08/2011

Common Stock

8,000

$ 0

0

D

Options (Right-to-Buy)

$ 7.25

11/04/2010

M(1)

12,000

01/05/2001(3)

01/05/2011

Common Stock

12,000

$ 0

0

D

Options (Right-to-Buy

$ 7.25

11/04/2010

M(1)

19,200

01/09/2001(4)

01/09/2011

Common Stock

19,200

$ 0

0

D

Options (Right-to-Buy)

$ 7.75

11/04/2010

M(1)

8,800

01/10/2001(5)

01/10/2011

Common Stock

8,800

$ 0

0

D

Options (Right-to-Buy)

$ 10.41

11/04/2010

M(1)

10,000

01/04/2002(6)

01/04/2012

Common Stock

10,000

$ 0

0

D

Options (Right-to-Buy)

$ 11.69

11/04/2010

M(1)

28,000

06/15/2003(7)

06/04/2012

Common Stock

28,000

$ 0

20,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CLONTZ STEVEN T 781 THIRD AVENUE KING OF PRUSSIA, PA 19406	X

Signatures

/s/ Claire H. Hanna, Attorney-in-Fact for Steven T. Clontz		11/08/2010
**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)	A grant of 8,000 options that vested in full on the date specified, and that are set to expire on 01/08/2011.
(3)	A grant of 12,000 options that vested in full on the date specified, and that are set to expire on 01/05/2011.
(4)	A grant of 19,200 options that vested in full on the date specified, and that are set to expire on 01/09/2011.
(5)	A grant of 8,800 options that vested in full on the date specified, and that are set to expire on 01/10/2011.
(6)	A grant of 10,000 options that vested in full on the date specified, and that are set to expire on 01/04/2012.
(7)	A grant of 48,000 options that vested in equal installments of 16,000 on each of the following dates: 06/15/2003; 06/03/2004; and 06/02/2005, and that are set to expire on 06/04/2012.

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