Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 14077

Questions about the history of the patent system or the histories of specific patents.

4 votes
Accepted

Did the Soviets do patents?

Russian patent system was officially launched in 1812 by Imperator Alexander I in his "Chartered Rights Manifesto", however some patent-like preferences were used since 1748. The patent legislation wa …
Stan's user avatar
  • 76