Referring to the semantics of invention, the common use of the term is a secondary dictionary definition of something invented or developed. Defining and documenting the invention is very important. Every book about patents emphasizes the importance of good record keeping. There are several how-to books out there but the first and the best is by San Francisco patent attorney David Pressman. Not all patent processes have a direct connection to the subject of contract, but the major parts of the process are surveyed here for continuity. Patent professionals and their clients often use the term to mean something that meets the statutory requirements for protection by a patent as surveyed in here. Every book about patents that the author has ever seen emphasizes the importance of good record keeping. The patent examiner and the Patent and Trademark Office (PTO) are agents of the public who negotiate the contract.