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 *
  FATMI AQEEL AHMAD
2. Date of Event Requiring Statement (Month/Day/Year)
01/09/2013
3. Issuer Name and Ticker or Trading Symbol
PATHEON INC [PTI]
(Last)
(First)
(Middle)
4125 PREMIER DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Scientific Officer
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HIGH POINT, NC 27265
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)

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 Option (Right to Buy)   (1) 12/20/2022 Restricted Voting Shares 90,000 $ 3.32 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
FATMI AQEEL AHMAD
4125 PREMIER DRIVE
HIGH POINT, NC 27265
      Chief Scientific Officer  

Signatures

/s/ David S Field, Attorney-in-fact 01/18/2013
**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) The option vests in five equal annual installments on December 21, 2013, December 21, 2014, December 21, 2015, December 21, 2016, and December 21, 2017.
(2) The exercise price was converted from C$3.30 based on the December 21, 2012 closing rate of exchange of 0.993 Canadian dollars per U.S. dollars as quoted by Reuters. The actual exercise price will be the Canadian dollar amount regardless of the exchange rate on the date of grant or of exercise.
 
Remarks:
Exhibit 24
Power of Attorney

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