What can prevent obtaining a patent?
An applicant shall be entitled to a U. S. patent unless: • a. Before he/she made the invention, it was known or used by others in the U. S. or was patented or described in a printed publication in the U. S. or a foreign country. • b. The invention was patented or described in a printed publication in the U.S. or a foreign country or was in public use or on sale in the U. S. more than one year before the date of filing a U. S. patent application. • c. The applicant for patent has abandoned the invention. • d. The applicant patented the invention in a foreign country more than twelve months prior to the filing date of the U. S. patent application. • e. The invention was described in a U. S. patent granted in an application filed by another before the invention was made by the applicant for the patent. • f. He/she did not invent the subject matter sought to be patented. • g. Before the applicant made the invention, it was made in the U. S. by another who had not abandoned, suppressed or c
