definiens: means any issued [COMPANY] Patent where all the claims are directed toInventions that relate solely and specifically to Fibrocell Products . In the event of a disagreement between the Parties as towhether a particular [COMPANY] Patent is or is not a Product - Specific Program Patent, the Parties shall seek to resolve the issuethrough discussions at the IPC, provided that if the Parties are unable to resolve the disagreement, the issue shall be submittedto arbitration pursuant to Section 11.2 . Any [COMPANY] Patent that is subject to such a dispute shall be deemed not to be aProduct - Specific Program Patent unless and until ( a ) [COMPANY] agrees in writing that such Patent is a Product - Specific ProgramPatent or ( b ) an arbitrator or arbitration panel determines, pursuant to Article 11, that such [COMPANY] Patent is a Product - Specific Program Patent