Citation Sources
The citation source code indicates the source of forward and backward citations. Values include the following:
Source | Description |
|---|---|
CH2 | Revealed during PCT Chapter 2 (preliminary examination) |
SUP | Originates from the Supplementary Search Report |
ISR | Originates from the International Search Report |
APP | Cited by the applicant |
SEA | Originates from the Search Report |
115 | Article 115 (observation by third parties) |
EXA | Revealed during the examination phase (citing document is kind code "A") |
OPP | Revealed during the opposition phase (only for B2 publications) |
PRS | Origin pre-grant/pre-search (beginning week 13 of 2012 for US-A1 pre-grants) |
APL | Filed for appeal by applicant/proprietor/patentee |
FOP | Filed for opposition by any third party |
TPO | Third party observation |
UNKNOWN | Unknown source |