Paid-Up License. Upon the expiration of Pfizer's obligation to pay royalties on Net Sales of Licensed Products as provided in Section 3.7.1, the license granted in Section 5.3.1 shall become an irrevocable, nonexclusive paid-up license.
Appears in 5 contracts
Samples: Collaborative Research and License Agreement, Collaborative Research and License Agreement (Rigel Pharmaceuticals Inc), Collaborative Research and License Agreement (Rigel Pharmaceuticals Inc)