Awareness of Foreign Filing Requirements For Inventions Originating Outside the United States Can Prevent Adverse Consequences [pdf]. By Aaron Wininger and Marc Sockol (Squire, Sanders & Dempsey LLP). [Via PLI's Lawyer's Toolbox Vol. 4.4, RSS feed]
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You can add one more country to those listed in the article – after reading the article on this website, we asked our Russian agent about foreign filing licenses in his country. Here is his answer:
“According to Russian Patent Law, a first application (including PCT application) for the invention has been created in Russia, should be filed in Russia indepently on nationality of the inventors. A foreign application may be filed after six months since the filing date in Russia. Other limitations does not exists. This law does not contain further comments of this.”