| Abbreviation | Definition |
|---|---|
| PIUG | Patent Information Users Group |
| PIY | Patent It Yourself |
| PLBB | Patent Licensing Bulletin Board |
| PLT | Patent Law Treaty |
| PMB | Patent Machine Bouw |
| PO | Patent Overflow |
| POA | Patent Of Arms |
| PODR | Patent Office Design Registry |
| POEC | Patent Office Exam Course |
| PPH | Patent Prosecution Highway |
| PPIP | Patent Protection Incentive Package |
| PQAA | Patent Quality Assistance Act |
| PQI | Patent Quality Initiative |
| PRC | Patent Referral Cell |
| PRG | Patent Resources Group |
| PRPS | Patent Review Processing System |
| PRS | Patent Register Service |
| PSAR | Patent Search Analysis Report |
| PSAR | Patent Search and Analysis Report |
| PSIG | Patent And Standards Interest Group |