Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MS

Mark Stemm — 8 Patents

CLCloudmark: 4 patents #2 of 6Top 35%
PRProofpoint: 1 patents #109 of 163Top 70%
Santa Monica, CA: #598 of 3,628 inventorsTop 20%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Mark Stemm has been granted 8 US patents while listed as an inventor at Cloudmark. The first was granted in 2002 and the most recent in October 2019. Mark Stemm ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Mark Stemm in Santa Monica, CA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10447634 Apparatus and method for augmenting a message to facilitate spam identification 2019-10-15 $53,192,000
10264017 Systems and methods of identifying suspicious hostnames Arlyn Robert Johns 2019-04-16
9729413 Apparatus and method for identifying domain name system tunneling, exfiltration and infiltration Neil Cook, Olivier Lemarié 2017-08-08
9634970 Apparatus and method for augmenting a message to facilitate spam identification 2017-04-25
9560074 Systems and methods of identifying suspicious hostnames Arlyn Robert Johns 2017-01-31
7890441 Methods and apparatuses for classifying electronic documents Vipul Ved Prakash 2011-02-15
7519565 Methods and apparatuses for classifying electronic documents Vipul Ved Prakash 2009-04-14
6446192 Remote monitoring and control of equipment over computer networks using a single web interfacing chip Subram Narasimhan, Curtis Allred, Hari Balakrishnan 2002-09-03