Definition
Large portfolios of blockchain-related patents used by issuers and enterprises as defensive moats and optional assertion leverage around payments, tokenization, and onchain infrastructure.
Key Points
- 2026-07-27: circle acquired ~1,000 issued patents / 680+ families from ibm; terms undisclosed
- Circle claims largest U.S. holder of blockchain-anchored patents — company claim; prior PatSnap (Dec 2025) listed IBM among top holders (~790)
- Supports USDC, Circle Payments Network, arc-blockchain, agentic financial tools
- Neutral framing: moat and potential litigation leverage; no public enforcement plan disclosed
Contradiction
“Largest U.S. blockchain patent holder” is a Circle company claim after the IBM transfer; independent rankings (e.g. PatSnap Dec 2025 listing IBM near the top at ~790) are not contemporaneous audits of post-deal holdings. Prefer “Circle claims…” wording. Terms of the IBM sale remain undisclosed.