Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
U.S. patent law Edit
Long-felt need refers to a problem facing a particular technical area that has gone unsolved for a prolonged period. The presumption is if the solution had been obvious to a person having ordinary skill in the art, they would have solved the problem. Long-felt need is a way to get past the obviousness requirement for patentability.