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For questions regarding the expiration date of an issued patent.

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1answer
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What is the duration and expiry date of the patent?

In reference to the patent: WO2014053910A3
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1answer
53 views

Patent term for PCT claiming priority to US non-provisional

I am so confused in a question and need your kind help. If I filed a PCT case on 2018/1/1 claiming priority to an US non-provisional (US1), which was filed on 2017/1/1. Then, if the US national ...
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1answer
45 views

expired? can this be resubmitted differently and get a new patent?

In reference to the patent: US4244057
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1answer
149 views

What is the expiration date of this patent?

In reference to the patent: US9474214
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1answer
174 views

When exactly Patent No. US 7,716,161 B2 expire?

Can someone tell me when exactly Patent No. US 7,716,161 B2 expire? It's File on Dec. 6, 2002
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1answer
27 views

Is this an old patent?

In reference to the patent: US20080264895 Is this patent valid?
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1answer
105 views

When does patent US512340 A expire? [duplicate]

My question is, "When will the Tesla Coil patent expire?", What year will it expire?, how soon? and after it expires, will anyone have access to mimick the invention?
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1answer
33 views

The expiration date of the patent US 20100203636

In reference to the patent: US20100203636
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2answers
88 views

Publication #: WO2014118527A1

Is this an active patent that was approved. What company currently holds the rights to this patent for topical dantrolene? Thank you.
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1answer
45 views

Are patent term adjustment granted automatically?

My understanding of patent term adjustments are validity extensions that arise from delays within the Patent Office itself is that they are calculated automatically with the possibility of a filer ...
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2answers
846 views

Expired Patent?

I'm looking at manufacturing a product that has a patent # clearly printed on the product. But after a little digging on google patents, it clearly says "Legal status Expired - Lifetime" with a "...
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1answer
42 views

Expiration date from patent EP1228987 & DE60206307

I would like to understand the expiration date from patent EP 1228987 and for the DE 60206307 Thank you, Joaquim
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1answer
46 views

question about patent expiration

In reference to the patent: US5829213 How long is this patent in the U.S. and how do you know if it is still valid?
2
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1answer
54 views

Expired patent with pending continuation applications and appeals on those

When a patent expires due to non-payment what happens to pending child continuation applications and an appeal of a child continuation application? I assume the expire patent is not valid at least ...
0
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1answer
22 views

When does patent US5807360 expire? [duplicate]

In reference to the patent: US5807360
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1answer
37 views
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1answer
64 views

Is it always okay to market a product that was patented 20+ years ago?

My understanding of the system under US patent law is that after 20 years, the patented process or device can be freely produced and sold by anyone. Is this always true? Is it legally safe to, say, ...
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2answers
73 views

Is patent US 5,504,055 expired?

Is patent US 5,504,055 A, application Nr. 08/213,263 expired? It was filed on 15 Mar 1994 and issued on 2 April 1996.
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1answer
58 views

Has patent US 5,195,917 A expired?

Can anyone tell me if this patent has expired or how I can find out if it has? US 5,195,917 A tear apart stress relief doll. How long is a patent good for, is it the same for every patented item/...
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1answer
53 views

Has US 5,623,660 A expired?

In reference to the patent: US 5,623,660 A, titled System for regulating access to data base for purposes of data base management. It appears as though it has expired, according to this article. Is ...
1
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1answer
96 views

My grandfathers patent, expired?

In reference to the patent: US 948,162 A I'm wondering if this patent has expired, and the process to claim it? This is my great-grandfathers invention.
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1answer
68 views

Patent Expiration

In reference to the patent: US 5,858,064 I think this patent has expired based on the priority date of August 22, 1995. Is that correct?
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1answer
90 views

Replicating Tandy TRS-80 model 100 notebook computer for-profit

Are there any patents that would prevent someone from replicating the Tandy TRS-80 model 100 notebook computer, for instance putting a raspberry pi inside of it and then selling it? It has been over ...
1
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1answer
27 views

Is US 6,608,366 B1 in the public domain?

In reference to the patent: US6608366 Is US 6,608,366 B1 in the public domain?
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1answer
32 views

Copyright expiration

In reference to the patent: US 2,981,578 I would like to know if the copy rights of this item are still in their period of validity.
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1answer
41 views

Status of US 6,151,713

In reference to the patent: US 6,151,713 Is this patent expired? Has anyone else patented it? Can I take over the patent and how much would it cost me?
2
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1answer
15 views

Grant of patent US 5,095,151? Not OB listed?

In reference to the patent: US 5,095,151 A. Is this patent granted? If yes, then when is the expiry of the patent or the market exclusivity?
2
votes
1answer
1k views

Do divisional, continuation, and continuation-in-part affect expiration dates for patents filed prior to June 8, 1995?

As noted in an answer regarding the expiration of US 5,618,582, the effective expiration date of the patent was calculated as: The patent application was filed on June 7, 1995 and issued on April ...
3
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1answer
74 views

When will patent US 6,797,357 expire?

In reference to patent US 6,797,357, "Three dimensional structures useful as cleaning sheets", when will it expire?
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1answer
1k views

Filing, CIP, Con, PCT, Priority, etc and Expiration Date

I was wondering if someone would kindly help me figure out how to determine the expiration dates for a patent family, and which and how each is still in effect and until when. (I don't have any patent ...
0
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1answer
61 views

Expiration date for patent 5824100 [duplicate]

In reference to the patent: US5824100 What is the expiration date for this patent? Thank you.
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2answers
502 views

Would expired patents for Moissanite reduce jewelry prices?

According to Wikipedia, the patents for Moissanite expire in 2015. Does it mean that the Moissanite jewelry will become cheaper?
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1answer
4k views

Expiry Date of a European patent

In reference to the patent: EP1807053A1 What is the expiration date of this patent?
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1answer
403 views

Patent issued in 2005 and now is ceased/expired due to failure to pay maintenance fees

If a patent has been claimed expired/ceased due to failure to pay maintenance fees, and I come in and assign the patent to myself (is this possible) I would also pay all the fees up to date. The ...
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1answer
176 views

Patent issued in USA only, infringing patent issued in Germany

My patent was filed as an EPO originating in the USA and it took almost five years to prosecute. It has ultimately resulted in award of USA patent only. Two questions... 1) is there any jurisdiction ...
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3answers
450 views

Can a patent filed more than 20 years ago still be valid?

I'm asking in particular about this patent. The filing year was 1991, so it is currently 23 years old. However, the fee status says "paid." Google Patents also does not mention anything about that ...
0
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1answer
96 views

Know that Patent expired or not [duplicate]

I had designed a similar invention like the Patent US5,934,963 but have found this patent was already in force. It seems to have lapsed and been re-instated several times... Can you determine the ...
2
votes
1answer
87 views

Expiration date of US 5,618,582?

I want to know the date of expiration of VanWinkel's Liquid Mask patent US 5,618,582.
2
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1answer
157 views

Expired patent - non-payment

hypothetical question. Let's assume someone else's patent has expired due to non-payment, and we release a product that that would potentially have infringed on it. Three months later they see our ...
3
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2answers
15k views

Is an expired patent in the public domain?

From what I've been reading about US patents, once a patent has expired, it enters the public domain and can be freely used. The patent I was looking at was filed on 1/1999 and published in 10/2000. ...
5
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2answers
223 views

What is the expiration date of patent US 6,676,109?

Is patent US 6,676,109 for a rotary valve in favor of Kitz Corporation a design patent or a utility patent? What is the expiration date of the patent?
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3answers
24k views

How do you determine a patent expiration date?

How can I determine the lifetime of a patent? For example, how can I tell when Patent US 7,055,282 B2 expires?
2
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1answer
250 views

When does US Patent 5,720,421 expire?

I am trying to determine when US Patent Number 5,720,421 will expire. Since it was pending before June 8, 1995, I would assume that it has a term of 17 years from the filing date and will be valid ...