Legal Definition of Interference:  (a) A wrongful act by a person who prevents or disturbs another in the performance of his usual activities, or in the conduct of his business. (b) In patent law, a situation wherein two people claim the rights to the same invention or discovery | Learn how understanding the legal definition of interference can protect your business. Discover examples of interference in various contexts, such as false rumors affecting your reputation and conflicting patent claims. By recognizing interference and taking appropriate legal action, you can safeguard your business interests and ensure smooth operations. Protect your business reputation and intellectual property rights by understanding and addressing interference