Circle has acquired nearly 1,000 blockchain patents from IBM, vaulting the company to the top of the U.S. patent rankings for the sector. The portfolio includes more than 680 patent families covering blockchain, banking, financial services, insurance, enterprise infrastructure, supply-chain verification, and secure cloud operations. The deal lands as USDC accounts for roughly 70% of adjusted stablecoin transaction volume in the first half of 2026, and as the broader stablecoin market hits new records.
What the patents cover
Among the specific patents Circle now controls are US11599858B2, a blockchain settlement network that links onchain asset transfers to off-chain settlement and remains active through 2041. Another, US11676117B2, covers blockchain compliance verification — AML, KYC, sanctions screening, and ISO 20022 messaging. A pending application, US20220172198A1, describes a real-time blockchain settlement network that runs a payment network in parallel with a blockchain settlement layer.
Circle has not disclosed which specific IBM patents were transferred, so the public patent numbers cannot be definitively tied to the acquisition. But the breadth of the portfolio is clear: nearly 1,000 patents across multiple industries.
Why the deal matters
Circle General Counsel Sarah Miller said: “Intellectual property is critical to advancing our mission and expanding adoption of onchain infrastructure.” The acquisition gives Circle a deep defensive moat. Clear Street noted the portfolio could strengthen Circle’s position in cross-licensing and partnership negotiations, and potentially provide ammunition in patent litigation. The firm also sees potential for further commercial cooperation with IBM, exposing Circle’s products to IBM’s bank and enterprise client base.
The timing isn’t accidental. The GENIUS Act is drawing established financial companies with substantial patent portfolios into stablecoins. Circle now has the IP to negotiate from strength — or to defend itself if challenged.
Stablecoin volumes keep climbing
Adjusted stablecoin transaction volume hit a record $1.79 trillion in June 2026, up 63% from $1.1 trillion in May and 125% year-over-year, according to Visa’s Onchain Analytics data. The first six months of 2026 generated roughly $8.82 trillion in adjusted volume, already exceeding the $5.8 trillion recorded in all of 2024. USDC accounted for about 70% of that activity, compared to roughly 25% for Tether’s USDT.
Circle now holds the patents that underpin much of the infrastructure those transactions run on. The question is how aggressively it will use them — defensively, commercially, or both.
