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Guided answer
My patent lapsed. Can it be restored?
Two windows, and the arithmetic that decides which one you are in.
The ordinary extension may still be available.
A renewal may be paid late within a six-month extension on a request with fee.
- Pay immediately; the extension is not open-ended.
- Update the address for service on the register at the same time.
- Ask your agent for a full renewal schedule for the whole portfolio.
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This is educational guidance, not personalised legal advice. It cannot see your documents, your dates or the prior art, and those are usually what decide the answer. Use it to understand the question, then take advice on your own facts.
Not sure whether this applies to your invention?
The honest answer usually needs someone to look at your actual disclosure, your timeline and the prior art. That is a conversation, not an article.