Take the 2-minute tour ×
Ask Patents is a question and answer site for people interested in improving and participating in the patent system. It's 100% free, no registration required.

I would like to know if this patent is in legal effect or has the patent expired. If so what happens to a patent for failure to pay maintenance fee? Thank you.

share|improve this question

put on hold as unclear what you're asking by Ron J., Soren, Robert Cartaino 11 hours ago

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

Please provide patent number for answer. I do not see it in question. –  ACWpatent May 1 at 19:10
Please post the patent number and more details so it can be researched properly. –  Ron J. May 2 at 14:01

Browse other questions tagged or ask your own question.