Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
RUBENSTEIN BARRY
   2. Issuer Name and Ticker or Trading Symbol
FALCONSTOR SOFTWARE INC [FALC] 		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)
68 WHEATLEY ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
02/05/2010
(Street)

BROOKVILLE, NY 11545		 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 02/05/2010   P   250 A $ 2.99 907,507 I By Woodland Partners (1)
Common Stock 02/05/2010   P   49,750 A $ 3 957,257 I By Woodland Partners (1)
Common Stock               941,000 D (2)  
Common Stock               187,900 I By Brookwood Partners, L.P. (3)
Common Stock               131,323 I By Seneca Ventures (4)
Common Stock               1,258 I By Spouse
Common Stock               436,800 I By Woodland Venture Fund (5)

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RUBENSTEIN BARRY
68 WHEATLEY ROAD
BROOKVILLE, NY 11545		   X      

Signatures

 /s/ Rubenstein, Barry   02/05/2010
**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) Held by Woodland Partners. Mr. Rubenstein is a general partner of Woodland Partners. Mr. Rubenstein disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(2) Includes 100,000 shares held jointly by Barry Rubenstein and Marilyn Rubenstein (spouse).
(3) Held by Brookwood Partners, L.P. Mr. Rubenstein is a general partner of Brookwood Partners, L.P. Mr. Rubenstein disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(4) Held by Seneca Ventures. Mr. Rubenstein is a general partner of Seneca Ventures. Mr. Rubenstein disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(5) Held by Woodland Venture Fund. Mr. Rubenstein is a general partner of Woodland Venture Fund. Mr. Rubenstein disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

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