Questions tagged [patent-lifetime]

The term of a patent: the amount of time during which a patent can be enforced.

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Bacteria was used treat cancers at one time. Did the manufacturer, Parke Davis, ever patent these cancer treatments called Coley's Toxins?

A Commotion in the Blood. By Stephen S. Hall. Page 117 "a further discouragement in terms of the toxins is that without patent protection on a hundred year old treatment, there is little ...
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Can you patent in a futuristic idea with great detail

Like a space industry idea for AI are in an immortality idea etc using a pre vision patent and a great detail but not a physical product yet then license it to companies are super AI concepts or idea ...
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what is meant by "Deemed withdrawal of patent application after publication" ? is the patent still holds or its withdrawn?

i am working to sell a product whose patent search results show that "Deemed withdrawal of patent application after publication (patent Law 2001)" someone please explain this to me
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If I am not able to find patent then can I consider it expired?

I downloaded a patent from internet and when tried to find its status that if it is active even today or not was not able to find on Intellectual Property of India website even by searching it from ...
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Why do patent protections last 20 years?

This is really two questions. What is the historical reason for patent protection to be 20 years? What is the reasoning for it to be 20 years, instead of 15 years, or 25 years?
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How long are patent records stored by patent bureau?

Suppose I'm granted a patent a month from now and it lasts for 20 years. This means that the patent bureau (such as USPTO) will have created a record which stores the patent claims and also the ...
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Why does the expiry of a patent and/or SPC varies in european countries?

The patent expiry usually varies by a day or two among the EU countries. For eg. SPC of EP0914118 will expire on different days in France, UK and Germany & Spain? Why is there such a difference ...
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Complete list of patents

Good day, I wish to be able to access an up-to-date list ( place, book, website, document etc. ) of all patents that have not expired.
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Does a continuation-in-part keep a USPTO patent family alive in the same way as a continuation?

A patent can be "kept alive" by filing a continuation before the patent issues, and then continuing to file continuations in the same manner in a chain of applications. Does the same hold for filing ...
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Patent Claim Drafting

why in US a preemptive claim is patent ineligible and why the absence of complete preemption also does not demonstrate that a claim is eligible.
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EPO Continuation Application

Similar to CON and CIP application in US, is it allowed to file a continuation application with new subject matter in EPO ?
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Does disclosure of an invention forever bar anyone (except you) from patenting it?

If someone discloses/markets a genuinely new (patentable) idea without patenting it (allows 12-months to go by without filing a provisional), does that mean that noone else will ever be able to patent ...
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Can you file a continuation immediately after filing an application?

If I have a disclosure that lacks unity of invention, I believe that I can file an application, wait for a restriction requirement, elect one set of claims and then file a divisional with the second ...
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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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Since this patent is expired, can anyone in the world freely manufacture this and sell for proffit?

The patent US 5782079 A is filed on February 1997. So it's been more than 20 years since it first patented. So this means this patent is no longer protected by the patent. So, can this be manufactured ...
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Is patent US 5881419 A still active?

In reference to the patent: US5881419 Is this patent still active?
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What is time to give reply to advisory action if it is received after 3 months of Final Office Action mailing date

Advisory action is issued by USPTO if reply to final office action is within 2 months from mailing date of final office action and also reply time to Final Office Action including Advisory is 3 months ...
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Is this patent enforceable?

In reference to the patent: US6667877 Google says the fees are lapsed on this patent. IS this still enforceable?
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Is US2463439 still active?

Sandwich Grill I want to know if the patent of this product is still active, or is it available? US2463439
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Validity and Standing

In reference to the patent: US6405939 How long is this Patent standing and valid for?
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What happens if you improve/alter your invention after it has been successfully patented?

Say I patent my invention and 2 years later I have a huge breakthrough that drastically improves the overall design (like putting wings on a tiger). Would the patent still stand, would it need to be ...
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When does this patent expire?

I thought patents expired a max of 15 years after publication date. Why does it seem like this patent still has until US Copyright Law expires (75 years)? In reference to the patent: US2717437
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Is this patent on a rudder innertube still valid?

In reference to the patent: US6182594 Is this patent still valid ? Jeff
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Why is there so much confusion about the expiry of this patent?

I am referring to this patent for a locking mechanism for a folding knife. This Reddit discussion seems to imply that there is some confusion about whether the patent has expired or not. Why are ...
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is this expired now? open for using freely?

In reference to the patent: US5803725
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Does the Lawn Aerator Shoes hold patent? I am trying to sell lawn aerator shoes and would like to check if it has any patent

My business is trying to sell Lawn Aerator shoes, and I would like to know if this item holds any patent. I have searched on google patent, and found some patent information. However, I would like to ...
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How are patents managed internationally?

I have recently read about patents and am in a confusion on how these patents are handled internationally? Which is the foremost authority on patents? And at last how much time on an average does it ...
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Validity of patent

In reference to the patent: US5565264 Till which year is the patent valid?
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patent life of a PCT application and royality thereof

In a scenario where: a. NP (of invention "1001") is first filed in a foreign country (non-US Country, on 1 Jan 2017) and then a PCT is filed(on 31 Dec 2017), when will patent life begin for invention ...
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understanding timeline of new elements to be filed in NP

I have a patent application filed for a provisional somewhere last year, say, on March 01 2016. This provisional application had an element A which when placed on one area of element B resulted in ...
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When should a person file a PCT? How can I find out which countries a PCT covers?

When should a person file a PCT? How can I find out which countries a PCT covers? How much does it cost?
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Who sold and who purchased patent #4131769

I am the inventor of patent 4131769. When I lost my home in 1990,my patent certificate was left behind. I didn't know my patent number until 2007, when I found my patent the Internet. I've been trying ...
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When does the patent on the CPR manikin (US4984987) expire?

When does the patent US4984987 expire? Does the CE Approved CPR and AED Training device infringe this patent?
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William A Clark extended expansive bit patents

William A. Clark had patents 20,192 (May 11, 1858), 21,597 (Sept, 28, 1858). He ran his factory from then to the civil war (1861 to 1865). After the war he restarted the factory and his bits are ...
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Original Patent document

In reference to the patent: US925691 Dear Sirs, The gentleman referenced as the inventor, and holder of this patent, is my Great Grandfather - Glyndon Abraham Freer. I have a copy of the original ...
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When do the patents on RC6 (U.S. Patent 5,724,428 and U.S. Patent 5,835,600) expire?

I have found that the two patents placed on the RC6 algorithm are U.S. Patent 5,724,428 and U.S. Patent 5,835,600, but I'm having trouble determining the earliest date at which they will have both ...
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What copyright or patent infringements could I step into by remaking an old game?

There is a very old game from Westwood Studios currently owned by Electronic Arts I'd like to remake, but I don't know if I can turn it into a business due to the related copyrights and possible ...
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Is US patent 1816592 still active? Can I repatent it? [duplicate]

Is the patent US1816592 “Means to recuperate the atmospheric moisture” still active? How can I find out whether this patent is still active? Is it possible to repatent this invention?
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5 votes
2 answers
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How do I re-patent a product similar to one that's had its patent expire?

In reference to the patent: US5809590 It appears as though this patent is expired, and I wish to re-patent a similar product. How do I go about doing this?
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Assigning Patents To Different People For Same Device For Over 100 Years, US 8567565 B2

Chain lubricating apparatus and method US 8567565 B2 This appears to be the same idea repackaged by different individuals for over 100 years. Is this a common practice? Also can BKC renew the ...
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2 votes
1 answer
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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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7 votes
3 answers
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How often are patents terminally disclaimed?

How many patents have terminal disclaimers (i.e., truncation in their time to expiry)? I am looking for a percentage of the total population of patents granted. A rough estimate + source is good ...
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3 votes
1 answer
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When do the rights granted by a design patent vest in the USA?

Do they vest once the design patent is granted or do they go back to some period earlier (retroactive)? I’m asking specifically about design patents.
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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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Is this patent still active? If so, who do I contact to acquire the patent? [duplicate]

In reference to the patent: US6327713
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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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Is this Patent still in effect? [duplicate]

Is this patent still in effect? Is it expired? In reference to the patent: US1119732
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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 ...
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Patent status information [duplicate]

In reference to the patent: US3731965 Is this patent current or expired? If expired is it public domain or can I patent it? If it is current where can I find this item for purchase?
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When a patent goes into Lapse status in European countries can it be renewed later?

When a patent goes into Lapse status in European countries can it be renewed later? What are the different status a patent can have that make it enforceable at present or in the future?
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