period of validity - positive limitations
- period of validity
- period to appeal
- periodical
- periodical holding
- peripheral definition
- peripheral system of claim drafting
- perishable goods
- perjure
- perjury
- Permanent Committee on Industrial Property Information
- permission
- permitted use
- perpetual
- perpetual motion machine
- perpetuity
- persist
- person
- person entitled to apply
- person having ordinary skill in the art
- person having right to apply
