Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

In the United States, under current patent law, the term of patent, provided that maintenance fees are paid on time, is 20 years from the filing date of the earliest U.S. or international application to which priority is claimed (excluding provisional applications). For applications filed before June 8, 1995 and for patents that were still in force on June 8, 1995, the patent term is either 17 years from the issue date or 20 years from the filing date of the earliest U.S. or international (PCT) application to which priority is claimed (excluding provisional applications), the longer term applying. It's the first step before a patent application! First, you learn how patentable your invention may be. If it's not very patentable, don't waste time and money on a patent app. Second, it may help you increase your patentability. By seeing what is similar, you can improve your invention around other existing invention and increase patentability. Calculation: 1  Type A delay= Date of issuance of office Action -(Date of receipt of applicant response + 4 Months/14 Months) 2  Type B delay=Date of issue of Patent/Date of filing of first RCE - (Date of filing of application + 3 years) 3  Total PTA =Type A+Type B + Type C - Applicant Delay -overlapping delays. Design patents have a shorter term than utility patents. Design patents filed on or after May 13, 2015 have a term of 15 years from issuance. Design patents filed prior to May 13, 2015 have a term of 14 years from issuance. In the United States, under current patent law, the term of patent, provided that maintenance fees are paid on time, are: 1  For applications filed on or after June 8, 1995, the patent term is 20 years from the filing date of the earliest U.S. or international (PCT) application to which priority is claimed (excluding provisional applications). P2.  1 Patent Pending Status for 12 Months. 2  Professional Technical Descriptions. See Description Samples. 3  Professional Patent Drawings. See Drawing Samples. 4  Phone call with an engineer to discuss details. The original patent term under the 1790 Patent Act was decided individually for each patent, but not exceeding fourteen years. The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension for the term of seven years from and after the expiration of the first term in certain circumstances. Get PROFESSIONAL.  1 Patent Pending Status for 12 Months. 2  Professional Technical Descriptions. See Description Samples. 3  Professional Patent Drawings. See Drawing Samples. 4  Phone call with an engineer to discuss details. Get PROFESSIONAL.  1 Patent Pending Status for 12 Months. 2  Professional Technical Descriptions. 3  Professional Patent Drawings. 4  Phone call with an engineer to discuss details. Query: how long is us patent good for
In the United States, patent is good for 20 years.