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Useful (in U.S. patent law) or be susceptible of industrial application (in European patent law [1]) Usually the term " patentability " only refers to the four aforementioned "substantive" conditions, and does not refer to formal conditions such as the " sufficiency of disclosure ", the " unity of invention " or the " best mode requirement ".
The first US land patent was issued on March 4, 1788, to John Martin. [4] That patent reserves to the United States one third of all gold, silver, lead and copper within the claimed land. A land patent for a 39.44-acre (15.96 ha) land parcel in present-day Monroe County, Ohio, and within the Seven Ranges land tract.
In United States patent law, utility is a patentability requirement. [1] As provided by 35 U.S.C. § 101, an invention is "useful" if it provides some identifiable benefit and is capable of use and "useless" otherwise. [2]
Prometheus Laboratories, Inc. [40] that a process patent, which Prometheus Laboratories had obtained for correlations between blood test results and patient health in determining an appropriate dosage of a specific medication for the patient, is not eligible for a patent because the correlation is a law of nature. The court reasoned "the steps ...
The Patent Cooperation Treaty (PCT) is an international patent law treaty, concluded in 1970. It provides a unified procedure for filing patent applications to protect inventions in each of its contracting states. A patent application filed under the PCT is called an international application, or PCT application.
The Leahy-Smith America Invents Act (AIA) became fully effective in March 2013, and its impact over the last five years continues to disrupt U.S. patent practice.
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