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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.
Exemplary PCT procedure, with a U.S. provisional application as a first filing. The PCT system enables an applicant to file a single patent application in a single language. The application, called an international application, can, at a later date, lead to the grant of a patent in any of the states contracting to the PCT. [5]
The regulations under the PCT do touch on the search and examination of computer programs. [10]Rule 39.1 PCT states that . No International Searching Authority shall be required to search an international application if, and to the extent to which, its subject matter is any of the following: ...
A patent does not give a right to make or use or sell an invention. [1] Rather, a patent provides, from a legal standpoint, the right to exclude others [ 1 ] from making, using, selling, offering for sale, or importing the patented invention for the term of the patent , which is usually 20 years from the filing date [ 4 ] subject to the payment ...
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, when the inventor hasn't got "a reasonable remuneration for ...
This one PCT application has the same legal effect as filing separate regional or national patent applications in all PCT member countries. PCT applications are processed in a standardized manner as provided in the Treaty and Regulations, including an international search for documents relevant to the potential patentability of the invention ...
The European Patent Convention requires all jurisdictions to give a European patent a term of 20 years from the actual date of filing an application for a European patent or the actual date of filing an international application under the PCT designating the EPO. [2] The actual date of filing can be up to a year after the earliest priority date.
It is often denoted using the percent sign (%), [1] although the abbreviations pct., pct, and sometimes pc are also used. [2] A percentage is a dimensionless number (pure number), primarily used for expressing proportions, but percent is nonetheless a unit of measurement in its orthography and usage. [3]