U.S. Patent Maintenance Fee Incident Dataset
About this dataset
Collected from U.S. patent maintenance fee data, this dataset includes records of maintenance‑fee‑related events along with code descriptions, preserving the original record format without any secondary processing.
It can be used for: fee‑event retrieval, historical record organization, and patent management research.
A sample dataset is available for download: demo.txt
Samples
Sample (Chinese)
0000010000000 14643719 N 20150310 20180619 20251119 M1552
0000010000000 14643719 N 20150310 20180619 20211118 M1551
0000010000000 14643719 N 20150310 20180619 20180315 PTGR
0000010000001 14962323 N 20151208 20180619 20251020 M1552
0000010000001 14962323 N 20151208 20180619 20211108 M1551
0000010000002 15107519 N 20160623 20180619 20260209 REM.
0000010000002 15107519 N 20160623 20180619 20210913 M1551
0000010000003 14437961 N 20150423 20180619 20251210 M1552
0000010000003 14437961 N 20150423 20180619 20211208 M1551
0000010000004 14973198 M 20151217 20180619 20251217 M3552
0000010000004 14973198 M 20151217 20180619 20211213 M3551
0000010000004 14973198 M 20151217 20180619 20151217 MICR