Cross-licensing occurs when two patent holders license each other to use their patents and can have other patent holders join the patent at any time.

Cross-licensing

Cross-licensing is an agreement between two or more parties where each party grants rights to their intellectual property or technology to the other parties involved.

Patent Holders

Patent holders are individuals or entities possessing the legal rights to an invention, granted by a patent office, allowing them to exclude others from making, using, or selling the invention.