or is threatened to be brought against such Party alleging that the sale of Product violates another party's intellectual property. E. SCIEN will promptly notify HEMISPHERX of any Third party SCIEN knows or believes may be infringing HEMISPHERX Intellectual Property and will, to the greatest extent reasonably possible, provide to HEMISPHERX any information SCIEN has in support of such belief. HEMISPHERX will have the right, but not the obligation, to use such information in an infringement action against such third Party. SCIEN agrees to cooperate with HEMISPHERX in any action for infringement of HEMISPHERX, and HEMISPHERX will reimburse SCIEN for all reasonable costs incurred by it in providing cooperation requested by HEMISPHERX. {***} Confidential portions of this exhibit have been redacted and filed separately with the Commission pursuant to a confidential treatment request in accordance with Rule 24b-2 of the Securities Exchange Act of 1934, as amended. Page 8 of 28 F. HEMISPHERX is and shall remain the sole legal and registered owner for any trademark or trade name of "Interferon alfa-n3 (human leukocyte derived)". The parties shall work together, upon commercial approval in the Territory to secure a trade name in the Territory. G. HEMISPHERX hereby grants to SCIEN and SCIEN hereby accepts the right, privilege and exclusive license to use of "Interferon alfa-n3 (human leukocyte derived)" solely in connection with the terms of the Sales, Marketing, Distribution and Supply Agreement of Product in the Territory for the Term of this Agreement. Should the Agreement expire or terminate, the right to use the trademark shall also terminate. SCIEN shall use "Interferon alfa-n3 (human leukocyte derived)" at all times for the sole purpose of marketing of Product for no other purpose. H. The terms of the intellectual property license hereby granted shall be effective upon the Effective Date of this