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USPTO Patent Rankings Data through Dec 31, 2025
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Bram Cohen — 25 Patents

CNChia Network: 16 patents #1 of 14Top 8%
BIBittorrent: 8 patents #1 of 6Top 20%
San Francisco, CA: #1,402 of 26,999 inventorsTop 6%
California: #22,079 of 386,348 inventorsTop 6%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Bram Cohen has been granted 25 US patents while listed as an inventor at Chia Network. The first was granted in 2010 and the most recent in August 2025. Bram Cohen ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Bram Cohen in San Francisco, CA, US.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 5 patents in 2024.peak 52010: 1 patents20102011: 1 patents2013: 3 patents20132014: 1 patents2015: 1 patents20152017: 1 patents2018: 1 patents20182021: 1 patents2022: 1 patents20222023: 4 patents2024: 5 patents20242025: 5 patents2025

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12387205 Method for blockchain gaming based on a state channel — 2025-08-12
12388651 Method for securing private structured databases within a public blockchain Kenneth K. Griggs 2025-08-12
12298968 Methods for extending a proof-of-space-time blockchain Krzysztof Pietrzak, Mariano Sorgente 2025-05-13
12219072 Methods for grinding-resistant consensus in a proof-of-space-based blockchain Krzysztof Pietrzak, Mariano Sorgente 2025-02-04
12198136 Method for pooling in a proof-of-space-based blockchain via singletons Matt Hauff, Mariano Sorgente, Matt Howard, Adam Kelly 2025-01-14
12182103 Methods for extending a proof-of-space-time blockchain Krzystof Pietrzak, Mariano Sorgente 2024-12-31
12074976 Consensus layer architecture for maintaining security with reduced processing power dependency in untrusted decentralized computing platforms Dan Boneh, Krzysztof Pietrzak, Lipa Long, Richard Kiss, Alex Wice +3 more 2024-08-27
12052369 Method for securing private structured databases within a public blockchain Kenneth K. Griggs 2024-07-30
11934387 Methods for extending a proof-of-space-time blockchain Krzysztof Pietrzak, Mariano Sorgente 2024-03-19
11924355 Methods for grinding-resistant consensus in a proof-of-space-based blockchain Krzysztof Pietrzak, Mariano Sorgente 2024-03-05
11854009 Method for pooling in a proof-of-space-based blockchain via singletons Matt Hauff, Mariano Sorgente, Matt Howard, Adam Kelly 2023-12-26
11677556 Consensus layer architecture for maintaining security with reduced processing power dependency in untrusted decentralized computing platforms Dan Boneh, Krzysztof Pietrzak, Lipa Long, Richard Kiss, Alex Wice +3 more 2023-06-13
11625390 Methods for extending a proof-of-space-time blockchain Krzysztof Pietrzak, Mariano Sorgente 2023-04-11
11621847 Consensus layer architecture for maintaining security with reduced processing power dependency in untrusted decentralized computing platforms Dan Boneh, Krzysztof Pietrzak, Lipa Long, Richard Kiss, Alex Wice +3 more 2023-04-04
11507569 Methods for extending a proof-of-space-time blockchain Krzysztof Pietrzak, Mariano Sorgente 2022-11-22
11165582 Consensus layer architecture for maintaining security with reduced processing power dependency in untrusted decentralized computing platforms Dan Boneh, Krzysztof Pietrzak, Lipa Long, Richard Kiss, Alex Wice +3 more 2021-11-02
10003644 Peer-to-peer live streaming — 2018-06-19
9571571 Peer-to-peer live streaming — 2017-02-14
9094263 Peer-to-peer live streaming — 2015-07-28
8738778 Peer-to-peer download and seed policy management Steven Hazel, Gregory Hazel, David Harrison 2014-05-27
8522073 Distributed storage of recoverable data — 2013-08-27
8391143 Classification and verification of static file transfer protocols David Harrison 2013-03-05
8385201 End-system dynamic rate limiting of background traffic David Harrison, Gregory Hazel 2013-02-26
7957280 Classification and verification of static file transfer protocols David Harrison 2011-06-07
7706260 End-system dynamic rate limiting of background traffic David Harrison, Gregory Hazel 2010-04-27

Frequent Collaborators

Mariano Sorgente13 shared
Krzysztof Pietrzak10 shared
David Harrison5 shared
Ben Fisch4 shared
Benedikt Bunz4 shared
Lipa Long4 shared

Nearby-Ranked Inventors

John C. Colborn25
Yair A. Neumann25
Eli DAVID25
Olaf Thomas Johan Antonie Vermeulen25
Azadeh Afshar Bakooshli25
Sandeep Bajaj25
Alexander J. Fioravanti25
Joon Hwan Lee25
Akio Murayama25