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 *
  Hooven Michael D
2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2005
3. Issuer Name and Ticker or Trading Symbol
AtriCure, Inc. [ATRC]
(Last)
(First)
(Middle)
6033 SCHUMACHER PARK DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Technology Officer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WEST CHESTER, OH 45069
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 10,903
D
 
Common Stock 334,211
I
Held by Michael D. Hooven 2004 Trust FBO Michael (1)
Common Stock 334,211
I
Held by Michael D. Hooven 2004 Trust FBO Susan (2)
Common Stock 18,421
I
Held by Susan Spies 2004 Children's Trust (3)

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
Employee Stock Options 03/29/2002(4) 03/29/2011 Common Stock 52,631 $ 0.627 D  
Employee Stock Options 08/09/2003(5) 08/09/2012 Common Stock 39,473 $ 1.33 D  
Employee Stock Options 03/29/2002(6) 03/29/2011 Common Stock 13,157 $ 0.627 I By Wife (6)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Hooven Michael D
6033 SCHUMACHER PARK DRIVE
WEST CHESTER, OH 45069
  X     Chief Technology Officer  

Signatures

/s/ Thomas J. Etergino as Attorney-in-Fact for Michael D. Hooven 08/15/2005
**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) Mr. Hooven disclaims beneficial ownership of these securities.
(2) Held in trust for the benefit of reporting person's spouse. Reporting person's spouse is the trustee of that trust and disclaims beneficial ownership of these securities.
(3) Held in trust for the benefit of reporting person's son. Reporting person is the trustee of that trust and disclaims beneficial ownership of these securities.
(4) Exercisable cumulatively at a rate of 25% per annum commencing on March 29, 2002 (one year from the date of grant).
(5) Exercisable cumulatively at a rate of 25% per annum commencing on August 9, 2003 (one year from the date of grant).
(6) Exercisable cumulatively at a rate of 25% per annum commencing on March 29, 2002 (one year from the date of grant). Mr. Hooven disclaims beneficial ownership of these securities.

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