
...he was working
at the PATENT office.
The Big Bang Theory Season 3, Episode 14

in a PATENT attorney's office.
The Big Bang Theory Season 11, Episode 8

What if we go around the university
and just get the PATENT ourselves?
The Big Bang Theory Season 9, Episode 18

Well, we ran into a problem
about my share of the PATENT,
The Big Bang Theory Season 9, Episode 18