With EFF’s help, language teacher responds to threat over ‘invalid’ patent

With EFF’s help, language teacher responds to threat over ‘invalid’ patent

- July 03, 2018

Article URL: https://www.eff.org/deeplinks/2018/07/effs-help-language-teacher-responds-ridiculous-patent-threat

Comments URL: https://news.ycombinator.com/item?id=17445330

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