What is an inquitable conduct?

Answer 1

Inquitable is not a word. So I think you meant

Inequitable conduct 1. Intentional withholding or misrepresentation

Normally this applies to patent law

Inequitable conduct, which can be asserted by a defendant in a patent infringement suit as an affirmative defense or by a plaintiff in a declaratory judgment action, results in the patent being unenforceable. As is true of patent invalidity, inequitable conduct must be proven by clear and convincing evidence. In M.Eagles Tool Warehouse, Inc. v. Fisher Tooling Company, Inc., 439 F.3d 1335 (Fed. Cir. February 27, 2006), the Federal Circuit held that intent could not be inferred solely from the patent applicant's failure to disclose a prior art referenc