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 * ROTHBLATT MARTINE A   2. Issuer Name and Ticker or Trading Symbol UNITED THERAPEUTICS CORP [UTHR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO (Last) (First) (Middle) 3. Date of Earliest Transaction (Month/Day/Year) 01/20/2005 (Street)   4. If Amendment, Date Original Filed(Month/Day/Year) 01/21/2005 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

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

Employee Stock Option

$ 43.6

01/20/2005

01/20/2005

A

1,500

01/20/2005

06/23/2010(1)

Common Stock

1,500

$ 0

322,251 (2)

D

Employee Stock Option

$ 43.6

01/20/2005

01/20/2005

A

500,000

01/20/2005

06/26/2010(3)

Common Stock

500,000

$ 0

822,251 (4)

D

Employee Stock Option

$ 43.6

01/20/2005

01/20/2005

A

298,592

01/20/2005

01/20/2015

Common Stock

298,592

$ 0

1,120,843 (5)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ROTHBLATT MARTINE A	X		CEO

Signatures

/s/ Paul A. Mahon under Power of Attorney		01/31/2005
**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 Expiration Date for this stock option was incorrectly described in the reporting person's original Form 4. Instead of a new ten-year option grant as incorrectly reported on the reporting person's original Form 4, the term of this option is for the remaining term of the original June 23, 2000 grant for this option which was subsequently canceled by the issuer on July 19, 2004.
(2)	The footnote to the Number of Derivative Securities Beneficially Owned Following Reported Transactions was incorrectly described in the reporting person's original Form 4. The correct footnote is as follows: "Includes 1,468 shares issuable upon exercise of stock options held by the reporting person's spouse."
(3)	The Expiration Date for this stock option was incorrectly described in the reporting person's original Form 4. Instead of a new ten-year option grant as incorrectly reported on the reporting person's original Form 4, the term of this option is for the remaining term of the original June 26, 2000 grant for this option which was subsequently canceled by the issuer on July 19, 2004.
(4)	The footnote to the Number of Derivative Securities Beneficially Owned Following Reported Transactions was incorrectly described in the reporting person's original Form 4. The correct footnote is as follows: "Includes 1,468 shares issuable upon exercise of stock options held by the reporting person's spouse."
(5)	The footnote to the Number of Derivative Securities Beneficially Owned Following Reported Transactions was incorrectly described in the reporting person's original Form 4. The correct footnote is as follows: "Includes 1,468 shares issuable upon exercise of stock options held by the reporting person's spouse."

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