Exclusive license means that the licensee not only has the right to exploit the relevant patent in the designated area, but also has the right to exclude all others, including the licensor, from exploiting the patent. When the infringement is discovered, the licensee has the right to bring a lawsuit directly to the court; The licensee of an exclusive license usually has the right to issue a sub-license to a third party.
Exclusive license means that only the patentee and the licensed user have the right to use the patent and no one else has the right to use the patent within the time and area agreed in the contract.
Sub-licensing means that both the patentee and the licensed user can use their patents, and both the patentee and the licensed user have the right to allow others to use their patents.
Therefore, the rights of the licensee of an exclusive license are almost the same as those of the patentee within the area stipulated in the license contract. An exclusive license is basically the same as an exclusive license, except that the licensor cannot exclude himself from implementing the relevant patent. Exclusive license or exclusive license fee is usually higher than general license fee.
Cross-licensing is a form of licensing in which technology traders exchange equivalent patented technology.