Columbia subject headings:
Compensation (Law)--United States.
Patent laws and legislation--United States.
Patents--Fees.
Patents--United States.
Harvard subject headings:
Compensation (Law)--United States.
Patent laws and legislation--United States.
Patents--Fees
Patents--United States
Princeton subject headings:
Compensation (Law)--United States.
Patent laws and legislation--United States.
Patents--Fees.
Patents--United States.