7 votes
Accepted

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
  • 6,178
5 votes

Patent listed as expired followed by an expiration date

The short answer is that it is expired for failure to pay a maintenance fee. The long answer is that Google makes a estimated expiration (their Adjusted expiration) when an application grants to a ...
Gabriel Hendricks's user avatar
4 votes
Accepted

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

Is this always true? No. While the basic rule is that a US patent has a term of 20 years from its filing date (assuming all the renewal fees were paid), there are (at least) two ways in which the ...
Maca's user avatar
  • 6,178
2 votes
Accepted

Can a patent that is expired for fee related reasons be renewed?

Only the applicant can petition to reinstate and they need to establish that the delay in paying was unintentional and account for the whole time period. This includes the period from when the ...
George White's user avatar
  • 28.6k
2 votes
Accepted

Does this mean that the patent has expired, or has it been "un-expired" and now has an adjusted expiration?

To get to the bottom of almost any issue with a U.S. patent go to Public PAIR. The site is fussy about the format of the application number or publication number you enter. I see the expiration due to ...
George White's user avatar
  • 28.6k
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
  • 653
1 vote

Is patent US 5,504,055 expired?

For applications file prior to June 8th, 1995, the patent term is either 17 years from the issue date or 20 years from the filing date of the earliest U.S. or international (PCT) application to which ...
Eric S's user avatar
  • 10.9k
1 vote

Has patent US 5,195,917 A expired?

Since the patent was filed prior to June 8, 1995, it should receive the maximum of either 20 years from the filing date May 20, 1992 or 17 years from grant date Mar 23, 1993. Based on this, it should ...
kurofune'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

Is my patent expiring because of no payment?

It seems to be is expired - you may need to petition to revive. AIRFLOW DEFLECTOR ASSEMBLY Patent #7878576 Application # 12460959 Filing Date 07/27/2009 Issue Date 02/01/2011 Payment Window ...
George White's user avatar
  • 28.6k
1 vote
Accepted

US expired but active WIPO application enforceable in US?

The WIPO does not grant patents, it only serves a mechanism for applications to be filed. As a comment says, only a granted, non-expired U.S. patent is enforceable in the U.S. The U.S. case is an ...
George White's user avatar
  • 28.6k
1 vote

Mpeg-2 patents in Malaysia and Philippines

The wikipedia page for MPEG-2 contains a statement about Malaysia and the Philippines. As of April 1 2019, only Malaysia and the Philippines still have active patents covering MPEG-2. Patents in ...
George White's user avatar
  • 28.6k
1 vote

What is the duration and expiry date of the patent?

Corresponding application (priority) was first filed in US. Application No. 14/432,431 : USPTO. The application was subsequently abandoned. However there were multiple provisional applications for the ...
AD Adhikary's user avatar
  • 1,072
1 vote

Patent term for PCT claiming priority to US non-provisional

There is no extra year in this case. The relevant law is - 35 U.S.C. 154 Contents and term of patent; provisional rights. (a) IN GENERAL.— (2) TERM.—Subject to the payment of fees ...
George White's user avatar
  • 28.6k
1 vote

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

US4244057A probably expired about Jan 13, 1998 so the invention described in it is available for anyone to be used. Of course, it cannot be resubmitted for a new patent since an invention needs to be ...
Eric S's user avatar
  • 10.9k
1 vote

What is the expiration date of patent US9474214?

The best way to determine the expiration date of a US patent is at the US Public Pair site. Go to Pair, get past the CAPTCHA and then select "Patent Number" and enter 9474214. Pair is extremely picky ...
Eric S's user avatar
  • 10.9k
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 this an old patent?

The cited document is a patent application, not a patent. To determine the status of a US application the best approach is to look it up in the US Public Pair site. Go to Pair, get past the CAPTCHA ...
Eric S's user avatar
  • 10.9k
1 vote

When does patent US512340 A expire?

This patent was issued January 9th of 1894. Back then, I believe US patents lasted for 17 years from their grant date so it should have expired January 9th of 1911 (more than 100 years ago). Since ...
Eric S's user avatar
  • 10.9k
1 vote

Publication #: WO2014118527A1

Per the following link, this international application was denied entry into the European and German patent offices: https://worldwide.espacenet.com/publicationDetails/inpadoc?CC=WO&NR=...
user1400786's user avatar
1 vote

Expired Patent?

Am I in the clear to manufacture this product? Not necessarily. Even if the marked patent is expired, there may be other patents (or designs) that are pending and in force, which would cover the ...
Maca's user avatar
  • 6,178
1 vote

Expiration date from patent EP1228987 & DE60206307

European patents expire 20 years from their filling date. In your case filling date is 30.01.2002. Interestingly, there is a small discrepancy across the contracting states of the European Patent ...
chempatent1981's user avatar
1 vote

question about patent expiration

This is a tricky question since the patent laws changed that year look it up here by patent number: http://portal.uspto.gov/pair/PublicPair and learn about how long patents last here: http://www....
3dalliance's user avatar

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