What is an overview of patent litigation?

Patent litigation refers to all kinds of litigation involving patent rights and related rights and interests conducted by the parties and other litigants in the people's court. Patent litigation is divided into narrow sense and broad sense. Patent litigation in a narrow sense refers to the litigation activities related to the patent right after it is granted. Patent litigation in a broad sense can also include litigation involving the ownership of application right in the patent application stage, litigation involving patent technology licensing, litigation involving the identification of inventors, litigation involving whether patent rights can be granted in the patent application examination and approval stage, and litigation involving the rights and interests of patent applicants and related obligees before patent rights are granted. Patent ownership litigation refers to litigation involving a patent application right or the subject to which the patent ultimately belongs, mainly referring to patent application right ownership litigation and patent ownership litigation. The litigation of patent application right ownership takes place in the patent application stage, and the litigation of patent ownership takes place after the patent right is granted. Patent infringement lawsuit refers to the lawsuit caused by the patentee's illegal infringement of patent right. They can be patent infringement lawsuits caused by single patent infringement, or they can be patent infringement lawsuits caused by other reasons, such as patent licensing and patent transfer, counterfeit patents, technology trade or parallel imports. But the most common is the patent infringement lawsuit caused by a single patent infringement. Patent contract litigation refers to litigation caused by non-performance or partial performance of patent licensing contract or patent transfer contract. The matters involved in this kind of litigation are the rights and obligations stipulated in the contract or law. In this kind of litigation, the breach of contract by the parties to the contract is an important cause of action and cause of action, and the patent licensing contract or transfer contract is an important basis for judging and solving this kind of litigation. This kind of litigation usually involves a written license contract or a written transfer contract signed by both parties, but it also includes cases that constitute a de facto patent license or patent transfer but are not agreed in writing.