SEC Form 3

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 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* HEALY JAMES (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 01/01/2011	3. Issuer Name and Ticker or Trading Symbol AMARIN CORP PLC\UK [ AMRN ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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)
Ordinary Shares(1)	12,513,388	I	See footnote.(2)

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: 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
Warrant	(3)	10/16/2014	Ordinary Shares(1)	1,750,000	$1.5	I	See footnote.(2)
Stock Option (right to buy)	(4)	02/10/2020	Ordinary Shares(1)	120,000	$1.03	D

1. Name and Address of Reporting Person* HEALY JAMES (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* SOFINNOVA VENTURE PARTNERS VII L P (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Sofinnova Management VII, L.L.C. (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* POWELL MICHAEL (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Buatois Eric (Last) (First) (Middle) C/O SOFINNOVA VENTURES 850 OAK GROVE AVE (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

2. See Exhibit 99.1. Shares are owned directly by Sofinnova Venture Partners VII, L.P. ("SV VII"). Sofinnova Management VII, L.L.C. ("SV VII LLC"), the general partner of SV VII, and James Healy, a director of the issuer, Michael Powell and Eric Buatois, the managing members of SV VII LLC, may be deemed to have shared voting and dispositive power over the shares owned by SV VII . Such persons and entities disclaim beneficial ownership over the shares owned by SV VII except to the extent of any pecuniary interest therein.

3. The holder of the warrant may exercise it at any time.

4. On February 10, 2010, the reporting person was granted an option under the issuer's 2002 Stock Option Plan. The stock option will vest in four equal installments on each anniversary of such grant date.

Remarks:

The Reporting Person is filing this form in connection with the Issuer transitioning from foreign private issuer to full reporting status, effective as of January 1, 2011.

	/s/ Nathalie Auber	12/30/2010
	** Signature of Reporting Person	Date
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