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Does this mean patent is expired and I can manufacture the apparatus? can former patent owner renew it and how would it affect my production?

2014-04-08 Anticipated expiration 2019-10-31 Application status is Expired - Fee Related

Is this patent valid worldwide or it has to apply for each and every country?

Thanks

Mary

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  • It would be best if you please provide the patent number. However if the anticipated expiration would have been 2019-10-31, then it would have expired by now (this actual day in fact) even if the fees were up to date.
    – Eric S
    Commented Oct 31, 2019 at 23:17
  • We really need more info to be very helpful - and yes patents are territorial and only valid in the location they are granted.
    – George White ♦
    Commented Nov 1, 2019 at 0:21

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Google used to have trouble calculating the expiration date where there is a patent term extension. I hope they fixed that, but in case they haven't, if you are really concerned about this patent, you should calculate the expiration date yourself.

Substantively, even an expired patent can be asserted for infringement that took place during the time the patent was live (going back 6 years). So if you did infringe, there "mere" expiration of the patent doesn't get you fully off the hook. Similarly, an expired patent can sometimes be brought back into force, as described at https://www.uspto.gov/web/offices/pac/mpep/s2590.html

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Since you didn't state the patent number, we can't check the official status in the US Public Pair. What I can do is answer your second question.

Is this patent valid worldwide or it has to apply for each and every country?

Patents are territorial. A US patent applies only in the US. To get patent protection in any other country requires a patent in that country.

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