Homework answers / question archive / Should patents have an expiration date for their protection from copycat producers? Should we treat drug patents ("Name brand" drugs like Motrin, versus the generics, ibuprofin ) differently from other inventions? Why is there unlimited protection for trademarks and not for patents?

Should patents have an expiration date for their protection from copycat producers? Should we treat drug patents ("Name brand" drugs like Motrin, versus the generics, ibuprofin ) differently from other inventions? Why is there unlimited protection for trademarks and not for patents?

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Should patents have an expiration date for their protection from copycat producers? Should we treat drug patents ("Name brand" drugs like Motrin, versus the generics, ibuprofin ) differently from other inventions? Why is there unlimited protection for trademarks and not for patents?