Distributed Database Atomic Swap Method, Apr 2026
Summary
European Patent Application EP4100904A1 was published on April 15, 2026, covering a system and method for performing atomic swap transactions of digital records among a plurality of distributed databases. The applicant is QPQ Limited, with four inventors listed: CHIEW Greg, LECKEY Ryan, RAGNOLI Emanuele, and SAGIRLAR Gokhan. The application classifies under G06Q 20/04 (financial transaction processing) and G06F 16/25, 16/18 (data processing). This is an A1 publication (European patent application under Article 93 EPC), not a granted patent.
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GovPing monitors EPO Patent Bulletin - Business Methods (G06Q) for new banking & finance regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 45 changes logged to date.
What changed
EPO published European Patent Application EP4100904A1, filed by QPQ Limited, covering systems and methods for atomic swap transactions of digital records across multiple distributed databases. The application is classified under IPC G06Q 20/04 (payment architectures, schemes and protocols) and G06F 16/25, 16/18 (database architecture and file systems). A1 publication status indicates the application has passed the 18-month publication threshold under Article 93 EPC and is now publicly available for opposition purposes. The application designates all 44 contracting states of the European Patent Convention.
For parties interested in blockchain or distributed ledger technology, this publication establishes a publicly documented prior art date for atomic swap transaction methods. Companies developing similar cross-database transaction systems should review the claims to assess potential freedom-to-operate implications. The application remains pending and has not yet been examined.
Archived snapshot
Apr 25, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
A SYSTEM AND A METHOD FOR PERFORMING ATOMIC SWAP TRANSACTIONS OF DIGITAL RECORDS AMONG A PLURALITY OF DISTRIBUTED DATABASES
Publication EP4100904A1 Kind: A1 Apr 15, 2026
Applicants
QPQ Limited
Inventors
CHEW, Greg, LECKEY, Ryan, RAGNOLI, Emanuele, SAGIRLAR, Gokhan
IPC Classifications
G06Q 20/04 20120101AFI20210813BHEP G06F 16/25 20190101ALI20210813BHEP G06F 16/18 20190101ALI20210813BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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