| IID | Import-ID |
| CC | Country |
| PN | Patent number |
| DT | Publication type |
| MC | IPC main classification See Patent classification: IPC formats for additional information |
| IC | IPC truncated on all levels |
| CPC | CPC truncated on all levels (optional) |
| PA | Applicant |
| AG | Agent (optional) |
| IN | Inventor |
| TI | Title |
| AB | Abstract |
| PD | Publication date (Format: [YYYYMMDD]; Example: 20141023) |
| AD | Application date (Format: [YYYYMMDD]) |
| PRI | Priority information |
| NT | Notice (by patent department or administrative, not concerning circular) |
| BNT | Notice of viewer or Verteiler (not concerning circular; optional) |
| BK | Order code |
| C1 | Descriptor |
| C2 | Reference number |
| TIDE | Title (DE) |
| TIEN | Title (EN) |
| TIXX | Title (other) |
| ABDE | Abstract (DE) |
| ABEN | Abstract (EN) |
| ABXX | Abstract (other) |
| CL | Claim |
| CLDE | Claim (DE) |
| CLEN | Claim (EN) |
| CLXX | Claim (other) |
| TXT | Text in title, abstract, claim or comment from ciruclar |
| CMT | Comment from ciruclar |
| COMMENTER | Comment autor |
| RATING | Rating (10,20,30,40) |
| RATER | Rater |
| LIST | Hitlist name |
| CIRCULAR | Circular name |
| OWNER | Circular creator |
| RECEIVER | Receiver |
| SENDER | Distributor |
| DISTDATE | Circular creatrion (Format: [YYYYMMDD]) |
| EXPIREDATE | Deadline (Format: [YYYYMMDD]) |
| MSG | System message concerning with regard to the document |
| ID | Internal document number in the patentGate database |
Field identifier in the expert search
As field identifier you have the following options: