For 10 points, name these claims filed by inventors to give intellectual protection.
Assignor estoppel protects the rights of people who own these objects. Laws about these objects invoke a "person having ordinary skill in the art." Their namesake cliff is extended by evergreening. In 2013, the Supreme Court ruled that "mere isolation" is insufficient for these objects to apply to a gene. These (*) documents are divided into sections for an abstract, claims, and specifications. Right-to-operate search consider these objects that are "pending", to avoid infringement. In the US, these documents last for twenty years and give exclusive right to manufacture. For 10 points, name these claims filed by inventors to give intellectual protection.
Assignor estoppel protects the rights of people who own these objects.
patents [or patent law; or patent claims]