Question related to validity of any proceeding done in patent office.

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Is this patent still valid and in force for this specific patent? [duplicate]

In reference to the patent: US5037209 Is this patent still valid and in force?
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Is patent US5400069 still active? [duplicate]

In reference to the patent: US5400069 I'm wondering if this patent is still active and what happends if this technology is used in the Netherlands, Europe. Regards, Guus
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27 views

Prior art for Vacuum Testing of Power Supply

In reference to the patent: US6570389 This patent claims a method of vacuum testing of power supplies, and it was filed in June 2001. I am wondering whether this is a standard procedure in the ...
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12 views

Has this patent expired? [duplicate]

In reference to the patent: US5635080
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1answer
21 views

Isn't this conflict of interest?

Patent 5714045 has been assigned to the FDOT and they use this product in every pier repair in their territory. It feel like a circular formula when programming in excel.... I "invent" it and patent ...
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Is the following claim 1 from patent (old lapsed patent A) considered prior art for the following patents & application(patents 1-4)?

possible prior art(old lapsed patent A) Active patent #1 Active patent #2 Application patent #3 I am curious as to how the new patents were able to get approval on their claim 1 when it is very ...
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1answer
23 views

Is this patent valid?

Is the patent Usd471730 valid? This is the polyprop chair but the patent is quite recent, much more so than the chair's invention in 1963. I am puzzled.
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2answers
50 views

Am I eligible for a patent?

I've been working for a company for a year now. About 2 months ago, I had an idea for creating a manifold. My idea has saved the company thousands of dollars in manpower, resources, and time. I was ...
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1answer
260 views

how to check the priority date of the patent?

IF I need to invalidate the patent that is CIP.Taking priority from CIP->CIP->DP->CP->Parent.
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1answer
38 views

Patent No. USD513117 S1--Is this still a valid patent? [duplicate]

I'm trying to find out if this Patent No. USD513117 S1 is still valid. How can I find out for sure?
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600 views

Where can I see in which country a patent is valid?

I am looking through Google Patents and reading the paperwork of various patents. In what section can I see under which country the patent is valid?
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1answer
46 views

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?
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1answer
98 views

Does clarity of a patent affect its value?

There is much talk about how software patents are deliberately written in an obfuscated manner, as a ploy that contravenes the purpose of the system. It seems to me that one could argue the ...
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1answer
42 views

Is US5090167A a valid patent?

Hi I am wondering if this patent- US5090167A is still valid?
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592 views

Is Imported Product Made in Foreign Country Prior art to US Method Patent?

I have a question relating to whether an imported product made in a foreign country by a patented method, before the method was patented, would be prior art to the method patent. That's a mouthful, ...