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A Patent Infringement Demand Letter is typically used when a patent owner discovers unauthorized use of their patented invention. This document serves as the first formal step in enforcing patent rights under English and Welsh law, preceding potential legal proceedings. It must include specific details about the patent, clear evidence of infringement, and explicit demands for resolution. The letter should comply with pre-action protocols and the Patents Act 1977, establishing a documented attempt to resolve the dispute before litigation. It's crucial in demonstrating serious intent to protect intellectual property rights while potentially avoiding costly court proceedings.
