in this Agreement shall be construed as granting to any party any right, title or interest in or to or under any Intellectual Property Rights or Inventions of the other party, other than as expressly agreed by the parties in writing in this Agreement. All rights not specifically granted herein are reserved to the applicable party, which may at all times fully and freely exercise the same except as otherwise restricted herein. 8.4. Filing, Prosecution, and Maintenance of PcoMed Surface Modification Technology. PcoMed shall at all times, at its sole election and expense, have the exclusive and sole right to file patent applications covering the PcoMed Surface Modification Technology in its own name. If PcoMed elects to file patent applications covering the PcoMed Surface Modification Technology, PcoMed shall be responsible for diligently prosecuting and maintaining, at its sole expense, such patent applications and patents issuing thereon. PcoMed shall retain patent counsel of its choosing in connection with the performance of its obligations under this Section. PcoMed shall keep Integra reasonably informed of its patent prosecution activities with respect to the PcoMed Surface Modification Technology. 8.5. Enforcement against Third Parties. (a) Notice. If either party learns of the actual, suspected, threatened or likely infringement or misappropriation of any of the PcoMed Surface Modification Technology, or any of the Integra Technology, then that party shall give written notice thereof to the other party and shall provide the other party with any evidence of such infringement or misappropriation in its possession. (b) Infringement Not Relating Solely to PcoMed Surface Modification Technology. (i) Integra shall have the sole right, but shall be under no obligation, to take any action to enforce any suspected or actual infringement, misappropriation or other unauthorized use of Intellectual Property Rights relating to Treated Integra Products or Partially Treated Integra