Русско-англо-русский юридический словарь

Patent infringement is the commission of a prohibited act with respect to a patented invention without permission from the patent holder. (Wikipedia)

Patent infringement is the act of making, using, selling, or offering to sell a patented invention, or importing into the United States a product covered by a claim of a patent without the permission of the patent owner. (Official website of the United States Patent and Trademark Office)