Explore: Patent Systems

The European patent with unitary effect, also known as the unitary patent, is a European patent which benefits from unitary effect in the participating

sought similar patent protection in their new homes. This led to the diffusion of patent systems to other countries. The English patent system evolved from

The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark

Under United States law, a patent is a right granted to the inventor of a (1) process, machine, article of manufacture, or composition of matter, (2) that

Trilateral Patent Offices, or simply the Trilateral Offices, are the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and

European Patent Organisation and providing an autonomous legal system according to which European patents are granted. The term European patent is used

submarine patents are sometimes referred to as patent pirates. Typically, the submarine patent strategy requires a patent system where patent applications

The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970. It provides a unified procedure for filing patent applications

procedures relating to patent law and practice, such as filing patent applications and oppositions to granted patents. The term "patent attorney" is used differently

Enforcement by patent trolls of poor quality patents has led to criticism of the patent office as well as the system itself. Patents on pharmaceuticals