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 *
  Agroskin Daniel
2. Date of Event Requiring Statement (Month/Day/Year)
04/26/2011
3. Issuer Name and Ticker or Trading Symbol
PATHEON INC [PTI]
(Last)
(First)
(Middle)
450 LEXINGON AVENUE, 31ST FLOOR
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 Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10017
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)
Class I Preferred Shares, Series D 150,000
I
See footnote (1)
Restricted Voting Shares 72,077,781
I
See footnote (2)

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
Deferred Share Units   (3)   (3) Restricted Voting Shares 46,483 $ (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Agroskin Daniel
450 LEXINGON AVENUE, 31ST FLOOR
NEW YORK, NY 10017
  X   X    

Signatures

/s/ David S. Field, attorney-in-fact 04/26/2011
**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) JLL Patheon Holdings, LLC is the direct beneficial owner of 150,000 class I preferred shares, series D (the "Preferred Shares") of Patheon Inc. (the "Company"). JLL Associates G.P. V (Patheon), Ltd. ("JLL Limited") is the sole general partner of JLL Associates V (Patheon), L.P., which is the sole general partner of JLL Partners Fund V (Patheon), L.P., which in turn is the sole member of JLL Patheon Holdings, LLC. Mr. Agroskin serves on the board of directors of JLL Limited. As a result, Mr. Agroskin may be deemed to be the indirect beneficial owner of 150,000 Preferred Shares of the Company. Mr. Agroskin disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
(2) JLL Patheon Holdings, Cooperatief U.A. ("JLL CoOp") is the direct beneficial owner of 72,077,781 restricted voting shares (the "Restricted Voting Shares") of the Company. JLL Patheon Holdings, LLC is the 99% owner and controlling member of JLL CoOp. Mr. Agroskin may be deemed to be the indirect beneficial owner of 72,077,781 Restricted Voting Shares. Mr. Agroskin disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
(3) Each deferred share unit entitles its holder, upon ceasing to be a director of the Company, to receive an amount of cash having the same value as one restricted share of the Company at such time.
 
Remarks:
Exhibit Index
Exhibit 24 - Power of Attorney

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