2.11. Right of First Refusal. Commencing on the Effective Date and expiring on the [***] anniversary thereof ("ROFR Term"), BioNTech on behalf of itself and its Affiliates hereby grants (and procures the grant to) Pfizer the exclusive right of first refusal ("Right of First Refusal") to acquire a worldwide, exclusive license, with the right to sublicense (through multiple tiers), under Intellectual Property Rights Controlled by BioNTech and its Affiliates to use, have used, Develop, have Developed, Manufacture, have Manufactured, Commercialize, have Commercialized and otherwise Exploit immunogenic compositions comprising RNA that encodes at least one Antigen for prophylaxis against respiratory syncytial virus ("RSV") or human cytomegalovirus ("hCMV") in the Territory (each a "Partnered Field" and collectively, the "Partnered Fields") as follows:
2.11.1. During the ROFR Term,BioNTech shall notify Pfizer in writing before