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06/23 06:44
Securitize sues tZERO as tokenization patent fight reaches Delaware
Summary
Securitize asked a Delaware court to reject tZERO’s patent claims over tokenized securities infrastructure products.
tZERO says DS Protocol and Vault Registrar infringe patents tied to compliance and crypto integration.
The fight comes as Wall Street firms move deeper into regulated onchain markets globally fast.
The tokenization firm wants a declaratory judgment confirming that its products do not infringe tZERO patents.
The case follows a cease-and-desist letter from tZERO. Securitize said the allegations are “without merit” and “run counter to the spirit of fair play.” The company also said it would defend itself in court while it continues building tokenized securities products.
In light of tZERO's allegations of patent infringement, today we filed a complaint in the U.S. District Court for the District of Delaware seeking a declaratory judgment confirming that we do not infringe.tZERO’s allegations are without merit and run counter to the spirit of… pic.twitter.com/JbZfBmXLuw— Securitize (@Securitize) June 22, 2026
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tZERO points to tokenized securities patents
tZERO said it sent the letter after reviewing its intellectual property portfolio. The company said Securitize’s DS Protocol and Vault Registrar infringe patents tied to self-enforcing security token compliance and crypto integration systems.
The disputed patents include systems for compliance controls, investor registry checks, and tokenized market infrastructure. tZERO said it is also reviewing possible infringement by other firms across tokenization, institutional crypto infrastructure, and DeFi.
tZERO launched in 2014 and has built regulated digital asset market tools for more than a decade. The company says it holds 105 patents globally across 23 patent families tied to tokenized capital markets. It has presented the enforcement push as part of a broader review of its technology rights. The dispute also arrives as patent rights become part of competition in regulated onchain finance markets.
The claims remain allegations unless a court rules on them. Securitize is asking the court to reject tZERO’s position and stop the company from using the patents against it.
Legal fight comes before Securitize vote
The dispute comes as Securitize prepares for a public-market milestone. crypto.news earlier reported that the SEC declared effective the S-4 filing tied to Securitize’s planned merger with Cantor Equity Partners II. A shareholder vote is scheduled for June 29.
If the deal closes, Securitize expects to list on the New York Stock Exchange under the ticker SECZ. crypto.news also reported that Securitize provides tokenization infrastructure to more than 650 funds and oversees more than $4 billion in tokenized assets.
The company has also built close links with BlackRock. As crypto.news reported in May, BlackRock filed a second Securitize-powered tokenized fund with the SEC after BUIDL grew to about $2.3 billion in assets. BUIDL uses Securitize as its transfer agent and tokenization platform.
Wall Street tokenization race accelerates
The fight reflects a broader race to bring securities and funds onchain. Tokenization turns ownership rights in assets such as stocks, funds, bonds, or real estate into blockchain-based records. Supporters say the model can speed up settlement and make asset tracking easier.
As crypto.news reported this month, tokenized equities reached $5.5 billion in market capitalization as of June 8, up from $2.23 billion at the start of the year. That growth has drawn more attention from exchanges, regulators, and infrastructure firms.
NYSE parent ICE and Securitize have also warned about offshore synthetic tokenized stocks. Executives said some products use company names without issuer approval and do not represent real equity.
The patent clash now places two early tokenization firms on opposite sides of a court fight. The outcome could affect how firms defend technical infrastructure as tokenized markets grow, but for now the court has not ruled on either side’s claims.
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