definiens: in this context, both parties mean that the Oebiopharm Companies will not grant a license to use the Technology in the oral cavity to third parties nor use it in the field of the oral cavity . The Oebiopharm Companies hereby jointly and severally represent and warrant to OraPharma that they have not exercised any of their rights with respect to the Technology in the oral cavity and that they have not granted any rights related to the Technology to any third - party, that they will not grant such rights to third parties and that they are hereby in a position to grant such rights to OraPharma . The Debiopharm Companies further covenant and agree that they will not exercise or grant such rights and will not take any action to conflict with or interfere with the rights to be granted to QraPharma by ACY pursuant to that certain license agreement relating to the Technology to be entered into between OraPharma and ACY . The Oebiopharm Companies does not warrant that the American Cyanamid Company has not granted any right to the Technology in the oral cavity to any third party