Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#1,485 in San Diego, CA
#21,017 in California
#94,905 in US
Shumaker & Sieffert, P.a.
Forward Citations = 0
9 inventors:
San Diego, CA, United States of America
Shumaker & Sieffert, P.a.
Forward Citations = 0
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9 inventors (with patents filed for the assignee):
Marta Karczewicz (2 out of 1,230 patents)
Geert Van Der Auwera (1 out of 166 patents)
Vadim Seregin (1 out of 381 patents)
4. Dmytro Rusanovskyy (1 out of 82 patents)
5. Wei-Jung Chien (1 out of 267 patents)
6. Yu Han (1 out of 22 patents)
7. Chun-Chi Chen (1 out of 48 patents)
8. Adarsh Krishnan Ramasubramonian (1 out of 234 patents)
9. Bappaditya Ray (1 out of 67 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shumaker & Sieffert, P.a.. Retrieved from https://idiyas.com/company/shumaker-and-sieffert
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]
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]
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]