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 I: 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 II: Sadly, the patent was granted as US9883333B2 on 2018-01-30

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

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    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 – Ujjwal Singh Sep 23 '15 at 22:16
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    The question has nothing to do with the USPTO. It clearly relates to the UKIPO. – Maca Oct 29 '17 at 22:01

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.

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