Persons with science and technological ability of making new inventions are qualified to conduct Prior art search. This prior art will serve as the basis if the owners invention is classified as new if compared to the existing invention. It has validity or invalidity search classification which is important during licensing or litigation discussions. Litigation may only arise due to patent infringement by which the defendant would take patent lawsuit, a legal actions to invalidate the claimant's patent. Such search is imperative to a company to find valuable information that could stand its case if the company is looking to invalidate the patent of its competitor.