Circle Internet Group has acquired what it called “fundamental assets” from IBM’s blockchain patent portfolio. The purchase covers more than 680 patent families and nearly 1,000 issued patents worldwide, according to Circle’s announcement.
The USDC issuer said the patents cover blockchain technology, banking, financial services, insurance, enterprise systems, supply-chain verification and secure cloud operations. Circle did not disclose the price or other financial terms.
Circle says the deal makes it the largest holder of blockchain patents in the United States. That ranking is plausible but cannot yet be checked in full from the information released. The company did not publish a patent schedule, a U.S.-only total or the method used to compare portfolios.
Nearly 1,000 issued patents change hands
The two headline figures describe different things. The European Patent Office defines a patent family as a group of applications covering the same or similar technical content and linked through priority claims. One invention can therefore produce several issued patents across different countries. The EPO also warns that databases use different family definitions.
Circle’s wording matters. It said it acquired fundamental assets “from” IBM’s portfolio, rather than saying it bought every IBM blockchain patent. The announcement did not identify individual patents, their remaining terms or the jurisdictions in which they are active.
Independent data does show that IBM entered the deal with a large position. A PatSnap analysis updated December 5, 2025 listed IBM among the top U.S. blockchain patent holders and credited it with 790 patents. That earlier count supports the scale of the transaction, but it does not independently prove Circle’s new ranking because classification methods and ownership records can differ.
How the patents fit Circle’s product stack
Circle said the acquired intellectual property will support USDC, Circle Payments Network, Arc and tools for software agents. It did not connect specific patents to individual products.
The products cover different layers of Circle’s business. In its 2026 product plan, Circle described USDC as its digital money layer, Arc as a layer-1 network moving from testnet toward production, and Circle Payments Network as an application for stablecoin-based money movement between participating financial institutions.
“Intellectual property is critical to advancing our mission and expanding adoption of onchain infrastructure,” Circle General Counsel Sarah Wilson said.
Patent ownership could give Circle more control over technology used across those products. The commercial effect will depend on which claims remain valid, how closely they match Circle’s systems and whether the company uses them for product protection, licensing or enforcement. Circle has not disclosed that strategy.
IBM and Circle leave key questions open
The companies plan to explore further commercial opportunities, Circle said, but no projects or deadlines were announced.
Circle has not said whether IBM retained licenses, whether third parties already license the patents or how much it expects to spend maintaining the portfolio. Circle had not disclosed the number of acquired U.S. patents or whether it plans to license or enforce them.
Until Circle publishes more detail or patent assignment records identify the transferred assets, the deal’s size is best treated as company-disclosed. Its effect on USDC, Arc and Circle Payments Network will depend on how the patents are used.











