of open-source practices. Patenting blockchain technology is catching on. According to a search of the Patent Office’s database, there have been over 50 U.S. patents issued relating to blockchain
https://www.epo.org/searching-for-patents.html
It has been reported that the National Office of Intellectual Property (NOIP) of Vietnam will begin accepting requests on April 2, 2018, for the final year of its Patent Prosecution Highway (PPH
https://www.j-platpat.inpit.go.jp/
https://patft.uspto.gov/
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