Fixed termination date and reversionary clause makes an agreement to transfer patent rights a license rather than an assignment of "all substantial rights."
Plaintiff did not have standing to bring an infringement suit because it did not have complete ownership of the patent, and could not voluntarily join the co-owner of the patent.
Plaintiff had standing to bring suit because it presented sufficient evidence it was legal owner of the asserted patent at inception of lawsuit, but summary judgment of noninfringement was granted Defendants due to how claims were construed.
Transferee did not have sufficient rights in a patent to give it standing to sue.