Crossword Genius

Open (6)

Ross

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4 5

6

3* 4*

'open' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for patent that I've seen before include "Registration of ownership of invention" , "Obvious - protection for inventors" , "It's registered to protect an invention" , "Transparent" , "The invention protection is obvious" .)

I've seen this clue in the Penny Press, The Irish Independent, the Evening Standard, The Telegraph, The Guardian and the Canadiana.
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