The phrase "valid patent" is grammatically correct and can be used in written English.
One example of using this phrase could be: "The company was able to secure a valid patent for their innovative product, ensuring exclusive rights for the next 20 years."
The company seeks a ruling that Teva is infringing a valid patent for olanzapine, the main ingredient in the drug.
Overused by infringers seeking to have a valid patent declared unenforceable before its expiration, the inequitable conduct defense is subjective and, according to the academy, unnecessary, given that other safeguards already exist.
But Ms. Carver said the company still had a valid patent on tamoxifen, so it was not possible that there could be a true generic drug on the market.
Last year, the Glaxo pharmaceutical group accused Cipla of violating Glaxo's patent in Ghana by seeking to sell cut-rate drugs there, only to concede later that it held no valid patent in Ghana.
Regardless of the outcome, the case raises an important legal question: how can a firm like Apotex bring a generic drug to market when others own a perfectly valid patent for it?
The principle that 'federal law requires, that all ideas in general circulation be dedicated to the common good unless they are protected by a valid patent,' 395 U.S., at 668, 89 S.Ct., at 1910, found support in Sears and Compco and the first line of cases discussed above.
Apple says it was: they had valid patents and Samsung infringed.
That process winnowed the company's portfolio of legally valid patents.
A Kraft spokeswoman described the ruling as procedural and said the company did not infringe valid patents.
And preserving the ability to enforce valid patents is just as important as curbing abusive patent litigation, she says.
In 2012 the number of valid patents in Italy was 68,000, ranking Italy 15th in the world.
