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 *
  Seith Douglas J
 2. Date of Event Requiring Statement (Month/Day/Year)
01/14/2013		 3. Issuer Name and Ticker or Trading Symbol
AtriCure, Inc. [ATRC]
(Last)
(First)
(Middle)
6217 CENTRE PARK DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP of Sales and Marketing
 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 52,648 (1)
D
 

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
Incentive Stock Option (right to buy) 03/01/2005(2) 03/01/2014 Common Stock 5,263 $ 1.52 D  
Incentive Stock Option (right to buy) 04/06/2006(2) 04/06/2015 Common Stock 1,513 $ 11.63 D  
Incentive Stock Option (right to buy) 08/05/2006(2) 08/05/2015 Common Stock 2,631 $ 12 D  
Incentive Stock Option (right to buy) 02/08/2007(3) 02/08/2016 Common Stock 5,000 $ 11.06 D  
Non-Qualified Stock Option (right to buy) 12/06/2007(3) 12/06/2016 Common Stock 250 $ 9.7 D  
Non-Qualified Stock Option (right to buy) 02/08/2008(3) 02/08/2017 Common Stock 200 $ 12.22 D  
Non-Qualified Stock Option (right to buy) 05/28/2009(3) 05/28/2018 Common Stock 1,500 $ 10.1 D  
Non-Qualified Stock Option (right to buy) 07/30/2009(3) 07/30/2018 Common Stock 10,000 $ 10.05 D  
Non-Qualified Stock Option (right to buy) 10/28/2009(3) 10/28/2018 Common Stock 512 $ 5.7 D  
Non-Qualified Stock Option (right to buy) 10/25/2013(3) 10/25/2022 Common Stock 21,100 $ 6.27 D  
Non-Qualified Stock Option (right to buy) 12/27/2013(3) 12/27/2022 Common Stock 100,000 $ 6.73 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Seith Douglas J
6217 CENTRE PARK DRIVE
WEST CHESTER, OH 45069		       SVP of Sales and Marketing  

Signatures

/s/ Douglas J. Seith 01/15/2013
**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 32,500 shares of unvested restricted stock awarded under the AtriCure, Inc. 2005 Equity Incentive Plan, which vest 25% annually over four years from date of grant.
(2) The option vests and is exercisable as to 25% of the shares on the first four anniversaries of the grant date.
(3) The option vests and is exercisable as to 25% of the shares one year from the date of grant and the remaining 75% thereafter vests and is exercisable in equal monthly installments on the same day of the month over the following three years.

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