4 ms·

Patents are only valid for 15 years or so.

• willis936 7y ago
  That’s the idea. I have no clue what’s going on with big companies sitting on stacks of tens of thousands of patents and litigating people for violating patents unrelated to what the company produces.
• JoeAltmaier 6y ago
  Ah yes, when he filed the limit was 17 years. I had some notion they could be renewed. I guess I was thinking of copyright.