Inventor
Mark Stemm
Inventor
Santa Monica, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication57%
G06FElectric digital data processing14%
H04WWireless communication networks14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
10,447,634Apparatus and method for augmenting a message to facilitate spam identification201910,264,017Systems and methods of identifying suspicious hostnames20199,729,413'Apparatus and method for identifying domain name system tunneling, exfiltration and infiltration'20179,634,970'Apparatus and method for augmenting a message to facilitate spam identification'20179,560,074'Systems and methods of identifying suspicious hostnames'20177,890,441'Methods and apparatuses for classifying electronic documents'20117,519,565'Methods and apparatuses for classifying electronic documents'20096,446,192'Remote monitoring and control of equipment over computer networks using a single web interfacing chip'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to EMBRACE NETWORKS INC (1)· patent assignee history
2002Based in Berkeley, CA, US· patent location history
2009–2017Patents assigned to CLOUDMARK INC (5)· patent assignee history
2009–2011Based in San Francisco, CA, US· patent location history
2017Patents assigned to COUDMARK INC (1)· patent assignee history
2017–2019Based in Santa Monica, CA, US· patent location history
2019Patents assigned to PROOFPOINT INC (2)· patent assignee history
2019Patents assigned to PROOFPRINT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLOUDMARK INC | 5 | 2009–2017 |
| PROOFPOINT INC | 2 | 2019 |
| COUDMARK INC | 1 | 2017 |
| EMBRACE NETWORKS INC | 1 | 2002 |
| PROOFPRINT INC | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Monica, California, US | 5 | 2017–2019 |
| San Francisco, California, US | 2 | 2009–2011 |
| Berkeley, California, US | 1 | 2002 |