Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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. Date of Event Requiring Statement (Month/Day/Year)
11/30/2009
3. Issuer Name and Ticker or Trading Symbol
FALCONSTOR SOFTWARE INC [FALC]
(Last)
(First)
(Middle)
68 WHEATLEY ROAD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BROOKVILLE, NY 11545
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 941,000
D (1)
 
Common Stock 187,900
I
By Brookwood Partners, L.P. (2)
Common Stock 131,323
I
By Seneca Ventures (3)
Common Stock 1,258
I
By Spouse
Common Stock 849,257
I
By Woodland Partners (4)
Common Stock 436,800
I
By Woodland Venture Fund (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
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

By: /s/ Seth Horowitz - Attorney-in-fact 12/02/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Includes 100,000 shares held jointly by Barry Rubenstein and Marilyn Rubenstein (spouse).
(2) 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.
(3) 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.
(4) 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.
(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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