H04L 51/043

Using or handling presence information

Official title: using or handling presence information

H04L51/043 (Using or handling presence information) appears on 1,282 US grants and 1,510 published applications in this corpus.

Search patents in H04L
Granted patents
1,282
Published applications
1,510
Assignees
402
Inventors
2,395
Latest grant
15 Sep 2026

Filings by year

H04L 51/043: granted patents and published applications per publication year
YearGranted patentsPublished applications
199810
199910
200010
200122
200247
200326
2004333
2005217
2006721
2007839
20081041
20092361
20102663
20114568
20125977
201362120
20148571
201598102
201690118
20178674
20185773
201911381
202011678
20218873
20227876
20237369
20245861
20256256
20262223

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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