0 the official legal right to make or sell an invention for a particular number of years:
In 1880 Alexander Graham Bell was granted a patent on an apparatus for signalling and communicating called a Photophone.
The company took out/filed a patent on a genetically engineered tomato.
1 → patent leather
2 to get the official legal right to make or sell an invention:
3 very obvious:
4 A patent invention is protected by law so that only particular people or companies have the right to make or sell it:
a patent screwdriver
5 the legal right to be the only one who can make, use, or sell an invention for a particular number of years
6 (of ideas or characteristics) obvious:
7 the legal right to be the only person or company to make or sell a product for a particular number of years, or a document that gives you this right:
apply for/file/take out a patent Filing a patent is a long and expensive process.
be awarded/granted a patent An American company was granted the patent last year.
a patent on sth He expects to be awarded a patent on his invention later this month.
a patent for sth The company has been granted a patent for a milk carton opener.
a patent application
8 if a product comes off patent or goes off patent, the period of time for which someone has the patent for it comes to an end:
A lot of the company's top-selling drugs were going off patent.
9 used to show that the person who has made or is selling a product has asked for a patent on it:
10 to get the legal right to be the only person or company to make or sell a product for a particular number of years:
11 → patented
The full patent does not seem to have survived.
For each problem, the original patent document was used to determine the per formance the invention was supposed to achieve.
The pulmonary arteries filled from the aorta via a patent atrial duct.
Under the existing patent system, access is hindered by high prices and launch delays.
Exclusivity is limited to the 20 years from the date a patent application is filed.
Thus, it is generally accepted that patents should continue just long enough so that monopoly profits can repay the costs of development of the invention.
The patient initially had a patent arterial duct that originated from the under surface of the rightsided aortic arch.
The arterial duct and the oval foramen were patent.
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專利權, (見patent leather), 申請專利…
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专利权, (见patent leather), 申请专利…
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