In reference to the patent: PCT/GB2014/051152 WO 2014/170646 A1 granted and pending patents: GB1307148.5, GB1500104.3 and GB1500105.0 to What3Words Limited:

Here is the screenshot from the video I had published on YouTube on 10th of April 2013 that showed 5 words for Mt. Everest's location: Video screenshot showing 5 words for a geo co-ordinate

Additionally here is crowd funding campaign page on IndieGogo started on 11th of April 2013

Also here is the UK-IPO patent application record's screenshot filed by What3Words just 9 days after my video: UK IPO patent filing screenshot with application date

Another record is available from archive.org.

The only effective difference is that What3Words uses three words while my system would take up around 5 words - but mine is more simpler and thus more effective as it uses words from a much smaller set of only 1024 very common and unambiguous words.

How do I get these patents invalidated?

I tried submitting a third party observation but was unable to since the priority date is past 28 months limit.

Update 1: I submitted my documents under the third party observation to the UK IPO office via email as per Submitting observations concerning the patentability of an invention. I then received an auto generated email acknowledging the receipt.

Update 2: Sadly, the patent was granted as US9883333B2 on 2018-01-30

Update 3: The UK International Patent Office had included references to my publications in their patent examination report for GB1307148 dated - 6th March 2018Citation - highlighted : Ujjwal Singh - Inventive step

Update 4: WIPO has included references to my publications in their patent document WO2014170646A1 Citation - highlighted : Ujjwal Singh

  • My app for location codes is available at: wolo.codes/get Commented Oct 4, 2020 at 7:40
  • More info available at: wcodes.org/patents Commented Oct 4, 2020 at 7:41
  • 1
    Still pending at the European Patent Register as EP2987344: register.epo.org/…
    – chrki
    Commented May 2, 2021 at 12:43
  • @chrki thank you, I have submitted my observations to the European Patent Register Commented May 31, 2021 at 12:10
  • 1
    @Merton - This is your "answer" turned into a comment. It was not actually an answer to the question and the content was that of a comment. You do not have the minimum 50 rep points that are required to have permission to post a comment. See this meta question to understand why that is an SE policy. meta.stackexchange.com/questions/214173/….
    – George White
    Commented Jun 3, 2021 at 20:03

2 Answers 2


As far as I can tell, the patent has only issued in the US. You can file a Post Grant Review within 9 months of the grant date of January 30, 2018. This article describes the options for challenging the patent.


the reference to the "Patent" that you cited isn't actually a granted patent, it's only an application that has been published by the USPTO. If you are interested in submitting what you have done so that the patent examiners are aware of it, you can do it by following these directions: http://www.uspto.gov/patent/initiatives/third-party-preissuance-submissions

  • 1
    Thanks Alex. This is a WIPO (PCT) patent. Unfortunately we are past 28 month limit and thus I am unable to submit a third party observation Commented Sep 23, 2015 at 22:16
  • 1
    The question has nothing to do with the USPTO. It clearly relates to the UKIPO.
    – Maca
    Commented Oct 29, 2017 at 22:01

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .