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

Let us consider a sample patent family lifecycle, beginning in 2009. 1 Jan 2009: Provisional application PROV1 is filed. A provisional doesn't really have a term, since it never becomes a patent. ...
Maca's user avatar
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3 votes

patent life of a PCT application and royality thereof

I agree with chempatent1981's answer on the expiry. I shall therefore focus on the when damages might be due. You have used the term "royalty period". However, as far as I know, that is not really a ...
Maca's user avatar
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2 votes

patent life of a PCT application and royality thereof

a. The US filing date is the PCT filing date. You can find this stated clearly in this useful web page http://www.bpmlegal.com/howtoterm.html (1st asterisk). 20 year life time starts from the filing ...
chempatent1981's user avatar
2 votes

Is an expired patent in the public domain?

It is important to remember that a patent does not give anybody the right to do what the patent covers. For example, if I had a patent on a more effective delivery system for MDMA or LSD, having a ...
Gary S's user avatar
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2 votes
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Is it possible to quickly kill existing patents?

Check the unpatent.co website. It's a platform for crowdfunding of campaigns against malicious patents. Also check Unified Patents.
alex's user avatar
  • 360
2 votes

Can you patent in a futuristic idea with great detail

It depends, as George White explains, on whether the invention is sufficiently enabled. It is possible to get a patent on an invention that isn't realizable with current technology or where it is ...
Eric S's user avatar
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1 vote

Complete list of patents

This is a copy of the answer I posted to the same question on law. Thousands of patents are granted every week. On July 2, 2019 the number was 8,034. Of course there are many patent offices around ...
George White's user avatar
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1 vote

Patent Claim Drafting

You are presumably talking about claims that preempt all uses of a law of nature. A law of nature is not patentable. A claim that preempted all possible uses of a law of nature is essentially an ...
George White's user avatar
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1 vote

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

You should use the resources at the USPTO to determine this yourself. The USPTO maintains a patent term calculator that is helpful.
C J's user avatar
  • 492
1 vote

Is patent US 5881419 A still active?

Here is how you check the status of a US patent or application. Go to the US Public Pair site. Get past the CAPTCHA and then enter the document's number to search. In this case it is a patent number ...
Eric S's user avatar
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1 vote

What is time to give reply to advisory action if it is received after 3 months of Final Office Action mailing date

As indicated in the Advisory Action, the date for reply will be the date of the Advisory Action as it is later than the 3 month date set forth in the final Office Action. As you will respond to the ...
Chicago-IP's user avatar
1 vote

Is this patent enforceable?

According to the US Public Pair, this patent's status is "Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362" as of 01-21-2008. While there might theoretically be a way ...
Eric S's user avatar
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1 vote

Is US2463439 still active?

That patent was issued on March 1st, 1949. Back then, patents expired 17 years after the issue date. Thus the patent expired on March 1st, 1966.
Eric S's user avatar
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1 vote
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When does this patent expire?

A US patent issued in 1955 had an expiration of 17 years after issuance. US copyright expiration has nothing to do with patent expiration. Longer answer: The 17-year rule was changed for utility ...
Upnorth's user avatar
  • 271
1 vote

Is this patent on a rudder innertube still valid?

US6192594 was filed on Oct. 12th, 1999 and should expire 20 years from that date assuming all fees are kept up to date. The best site to confirm the status of US patents is the US Public Pair. I ...
Eric S's user avatar
  • 11.4k
1 vote

Why is there so much confusion about the expiry of this patent?

For US patents filed on or after June 8th, 1995 the expiration date is 20 years from the filing date or priority date if it claims priority from an earlier patent. This Wikipedia article covers patent ...
Eric S's user avatar
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1 vote

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

You are looking for a "freedom to operate" opinion. Few lawyers will issue those anymore because of the malpractice risk. You'll want to (a) identify the countries where you will sell the product; (...
Gary S's user avatar
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1 vote
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How are patents managed internationally?

How are patents handled internationally? Which is the foremost authority on patents? Patents are territorial in nature. So if your invention would have a market in a particular country , you would ...
Sarasija Padmanabhan's user avatar
1 vote

Why is there no requirement that a foreign entity manufactures / licenses and / or offer to sell in a territory?

This is a public policy question, which you may find answers to in legal/economic literature. Just wondering why there is no requirement for foreign entities seeking to patent an idea / ...
user132162's user avatar
1 vote

How do you determine a patent expiration date?

In a nutshell: patents filed after June 1995 have a lifetime of 20 years from filing date, plus any patent term extensions (PTE). Check for PTE on the front page. US 7055282 has a PTE: US 9591814 ...
Malka's user avatar
  • 121
1 vote
Accepted

understanding timeline of new elements to be filed in NP

Will new elements B, C be a dependent claim based on previous provisional application? This question appears to mix a few different concepts, all of which use the word "claim" but in different ...
Maca's user avatar
  • 6,188
1 vote

When should a person file a PCT? How can I find out which countries a PCT covers?

When to file There are many possible answers here. If what you are seeking to patent is already made public (in a brochure, a scientific paper, a presentation) then it is probably too late. A ...
chempatent1981's user avatar
1 vote

Who sold and who purchased patent #4131769

Since you are the assignee, you would be the only one allowed to sell the patent. Although a patent provides you with a limited term of exclusivity, it is up to the patent owner to enforce the patent. ...
Eric S's user avatar
  • 11.4k
1 vote

When does the patent on the CPR manikin (US4984987) expire?

The original filing date is November 9, 1989. A Utility patent is valid for a term of 20 years, which means this patent expired on November 9, 2009 and is no longer valid. The link you posted to does ...
J. Roibal - BlockchainEng's user avatar
1 vote

William A Clark extended expansive bit patents

The original patents were 14 year patents and would have expired in 1872. They had hearing with the patent commissioner for extensions in 1872 which would have extended the patent for an additional 7 ...
Midfish's user avatar
  • 21
1 vote

Original Patent document

Does this document have any worth? The patent itself has expired and cannot be enforced against anyone who might otherwise be an infringer. If there have been an unbroken string of "follow-on" ...
PGilm's user avatar
  • 221
1 vote

When do the patents on RC6 (U.S. Patent 5,724,428 and U.S. Patent 5,835,600) expire?

Pat. 5,724,428 expired on Nov. 1, 2015. Pat. 5,835,600 is a DIVISION of this patent (not a continuation of it, as another responder indicated) and will expire on April 21, 2017.
Robert's user avatar
  • 11

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