Patent infringement is the unauthorized use of a patented invention, violating a patent holder’s rights.

Patent infringement is an unauthorized act of - for example - making, using, offering for sale, selling, or importing for these purposes a patented product.

These factors include patent markings, determining a patent term, maintaining a patent in force, and correcting a patent. This section also defines patent ownership and how it can be assigned or licensed.

May 16, 2025 · Patent infringement occurs when an invention is made, used, sold, or imported into the U.S. without the patent holder’s authorization. Types of patent infringement include direct, indirect, …

Jul 25, 2025 · Direct infringement is the most straightforward form of patent violation, occurring when an individual or entity performs one of the specific acts prohibited by patent law without authorization.

Oct 15, 2025 · Learn about the rules governing a patent infringement action, including the doctrine of equivalents, the all-elements rule, and the doctrine of vitiation.

Oct 14, 2025 · Patent infringement, which includes direct infringement and indirect forms such as inducement and contributory infringement, is the unauthorized act of making, using, selling, or …

Jul 21, 2025 · Dive into the essentials of patent infringement, its legal implications, types, and how to avoid it in the United States. Knowledge is power against litigation!

Feb 16, 2026 · Patent infringement arises when a patented invention is made, used, sold, or imported without authorization. Patent infringement cases often involve complex technical analysis and are …

Jan 29, 2024 · As a patent owner, you have the legal right to exclude others from making, using, selling, or offering to sell the invention. Put another way, your competitors cannot make, use, sell, or offer the …