A patent holder can file a suit for infringement in the District Court or High Court. Representative Engagements.Discover key strategies for enforcing and defending patents in India. Find out where you need to go. Functions. Patent infringement action. The plaintiff accepted the defendant's offer of judgment, which the court ordered to be filed under seal. Discover how the patent system works in India. How can a copyright attorney help your company avoid Allegheny copyright infringement? Pleas but is without the funds to pay the filing fee. 2. Copyright infringement occurs when a business or person engages in the unauthorized use or reproduction of a copyright protected work.