Prior art is any evidence that your invention was already known to the public before your filing date. Under 35 U.S.C. 102, that means anything patented, described in a printed publication, in public use, on sale, or otherwise available to the public anywhere in the...
A patent application has five parts, and only one of them defines what the patent covers: the claims. The abstract does not. The title does not. The drawings do not. Under federal regulation the abstract cannot even be used to interpret claim scope, and it is capped...
Google Patents indexes more than 120 million patent documents from over 100 patent offices, and it costs nothing to use. A competent search on it takes six to ten hours and runs in four passes: keywords, classification codes, citation chains, and assignee sweeps. The...
