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 * VON STAATS AARON C   2. Issuer Name and Ticker or Trading Symbol PARAMETRIC TECHNOLOGY CORP [PMTC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CVP,General Counsel, Secretary (Last) (First) (Middle) 140 KENDRICK STREET 3. Date of Earliest Transaction (Month/Day/Year) 11/05/2012 (Street) NEEDHAM, MA 02494 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

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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

Restricted Stock Units

(1)

11/05/2012

A

19,029

(2)

(2)

Common Stock

19,029

$ 0

19,029 (4)

D

Restricted Stock Units

(1)

11/05/2012

A

28,544

(3)

(3)

Common Stock

28,544

$ 0

28,544 (4)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
VON STAATS AARON C 140 KENDRICK STREET NEEDHAM, MA 02494			CVP,General Counsel, Secretary

Signatures

Catherine Gorecki by power of attorney filed 11/2/2007		11/07/2012
**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)	Each restricted stock unit represents a contingent right to each of one share of Parametric Technology Corporation common stock.
(2)	Performance-based restricted stock units that will be earned only to the extent the established performance criteria for each of the three performance periods are met. The restricted stock units earned will vest as to (i) up to one-third of the units awarded on the later of November 15, 2013 and the date the Compensation Committee determines the performance criteria have been achieved, (ii) up to a total of two-thirds of the units awarded on the later of November 15, 2014 and the date the Compensation Committee determines the performance criteria have been achieved, and (iii) up to all of the units awarded on the later of November 15, 2015 and the date the Compensation Committee determines the performance criteria have been achieved.
(3)	Time-based restricted stock units that vest in three substantially equal increments on each of November 15, 2013, November 15, 2014 and November 15, 2015.
(4)	This amount represents the total number of derivative securities beneficially owned of the class shown.

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