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Questions tagged [challenge]

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Is there a subscription list for entities to be notified of new patent applications so that they can challenge the new claims?

For example, let's take Match Group Inc, which is a multi billion dollar conglomerate group that owns a suite of dating apps. Is there a list that they sign on to on the USTPO that notifies them of a ...
Bear Bile Farming is Torture's user avatar
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How can the challenge date of an application be extended?

The challenge on Microsoft's patent US 20130063492 states: Availability for Challenge: Open Until at least Sept 14, 2013 How is the "available for challenge" date obtained? What steps must we ...
Pacerier's user avatar
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How does the public review process work for US patent applications?

I am aware of a patent application that has been filed that I wish to challenge. I know the application number, but the it was recently filed and is not publicly available for review on the USPTO ...
agiletortoise's user avatar
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Challenging a granted patent?

I found a patent which was granted but the product which is claiming the patent is different from the contents of the patent. How does one challenge the validity of the patent?
user6093's user avatar