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The patent at issue, U.S. Patent No. 4,677,798, was for modular steel shell panels that could be arranged into vandalism resistant walls. The panels interlocked by means of steel baffles - internal barriers meant to create fillable compartments or to deflect projectiles that penetrate the outer wall.
In some jurisdictions, such as the United States, the patent holder may even seek to broaden the scope of the invention defined in the claims by filing a reissue application, although a broadening reissue in the USA must be filed within 2 years from grant. Also, in the United States, only the patent holder may file for reissue.
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 is new, useful, and non-obvious. A patent is the right to exclude others, for a limited time (usually, 20 years) from profiting from a patented technology without the consent of the patent ...
Smart cut is a technological process that enables the transfer of very fine layers of crystalline silicon material onto a mechanical support. It was invented by Michel Bruel of CEA-Leti, and was protected by US patent 5374564. [1] The application of this technological procedure is mainly in the production of silicon-on-insulator (SOI) wafer ...
A person who practices that invention without the permission of the patent holder infringes that patent. More specifically, an infringement occurs where the defendant has made, used, sold, offered to sell, or imported an infringing invention or its equivalent. [1] No infringement action may be started until the patent is issued.
If the other invention is made the subject of a divisional application, which complies with the requirements of section 120, it shall be entitled to the benefit of the filing date of the original application. A patent issuing on an application with respect to which a requirement for restriction under this section has been made, or on an ...
A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
Prosecution history estoppel, also known as file-wrapper estoppel, is a term used to indicate that a person who has filed a patent application, and then makes narrowing amendments to the application to accommodate the patent law, may be precluded from invoking the doctrine of equivalents to broaden the scope of their claims to cover subject matter ceded by the amendments.