EPO Patents = 2

Trademarks = 3

Forward Citations = 118

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6 inventors (with patents filed for the assignee):

Vipul Ved Prakash (6 out of 35 patents)

Mark Stemm (4 out of 7 patents)

Aaron Lehmann (1 out of 4 patents)

4. Olivier Lemarié (1 out of 5 patents)

5. Arlyn Robert Johns (1 out of 2 patents)

6. Neil Cook (1 out of 2 patents)

9 patents: Sort by Forward Citations

1. 9634970 - Apparatus and method for augmenting a message to facilitate spam identification (2017-04-25),

2. 9560074 - Systems and methods of identifying suspicious hostnames (2017-01-31),

3. 9294490 - Apparatus and method for identifying a domain name system resource exhaustion attack (2016-03-22),

4. 8301702 - Method and an apparatus to screen electronic communications (2012-10-30),

5. 8171091 - Systems and methods for filtering contents of a publication (2012-05-01),

6. 7890441 - Methods and apparatuses for classifying electronic documents (2011-02-15),

7. 7539729 - Method and apparatus to enable mass message publications to reach a client equipped with a filter (2009-05-26),

8. 7519565 - Methods and apparatuses for classifying electronic documents (2009-04-14),

9. 7373385 - Method and apparatus to block spam based on spam reports from a community of users (2008-05-13),

Company Overview

Cloudmark is a cybersecurity company that specializes in email security solutions for organizations of all sizes. With a focus on protecting against phishing, spam, and other email-based threats, Cloudmark offers a range of products designed to keep email communications safe and secure. Founded in 2001, Cloudmark has established itself as a leader in the cybersecurity industry, serving clients around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#491 in San Francisco, CA

#7,730 in California

#32,565 in US

San Francisco, CA, United States of America

Cloudmark, Inc.

Forward Citations = 118

6 inventors:

Vipul Ved Prakash (6 out of 35 patents)

Mark Stemm (4 out of 7 patents)

Aaron Lehmann (1 out of 4 patents)

4. Olivier Lemarié (1 out of 5 patents)

5. Arlyn Robert Johns (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cloudmark, Inc.. Retrieved from https://idiyas.com/company/cloudmark

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]