Patent Glossary U.

Patent Glossary U. What is the USPTO, undue experimentation, and United States Code?

Undue Experimentation

An amount of experimentation required to practice a disclosed invention that would be unreasonable. MPEP 2164.01, MPEP 818.03(c).


A determonation by a court that a patent cannot be enforced against a party that would otherwise be infringing its claims, because the patent is defective.

United States Code

The laws of the U.S.

United States Patent and Trademark Office (USPTO)

The agency of the U.S. Federal Government responsible for administering the country's patent system.

United States Patent and Trademark Office Code of Federal Regulations (CFR)

The regulations promulgated by the USPTO.


The state of a claimed invention's not being obvious to a person having ordinary skill in the art to which the invention pertains. Also called non-obvious. See Obviousness.

Unreasonable Experimentation

See Undue Experimentation.


Having some practical utility; fit for some desirable practical or commercial purpose. One of the three requirements for patentability under U.S. law. MPEP 706.03(a), MPEP 2107, MPEP 2107.01, MPEP 2107.02.


See Useful.

Utility Model

A type of patent available in some countries that requires less inventiveness than necessary to obtain a patent.

Utility Patent

A patent that covers a technology.Links


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