Patent Opposition: Does it exist?

Can you file a patent opposition against a pending application? You may have heard of a trademark opposition as the way to challenge a trademark application, but is there an equivalent proceeding for challenging patent applications? Yes there is, but it’s not called a patent opposition. A few options exist, but they go by different […]

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How to challenge or oppose a pending patent application

Is there a way to challenge or oppose a patent application? Yes, any third party may file a preissuance submission to oppose a utility nonprovisional patent application. Timing is critical. Basically, you must challenge the patent application before it is allowed. Assuming that a Notice of Allowance has not yet been issued, you have at […]

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