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Serial Number

86261758

Filing Date

24 Apr 2014

Registration Number

4899093

Registration Date

09 Feb 2016

Mark Drawing Code

4

Classifications

Declare the trademark use of PROOF on the blockchain with WikiTrademarks.io.

First use of PROOF anywhere

PROOF was first used on 16 Jun 2015 for the primary classification of goods and services, international, 041 (Education and entertainment)

First use in commerce

There is no first use of this trademark in commerce detected yet.

Status Code

6

International Code

041

US Codes

100; 101; 107

Amanda D. Phillips

WarnerMedia Legal TM Group

1050 Techwood Drive

GATE Bldg 3rd Floor

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Mysten Labs Technology Prototype on Sui Provides First Proof of Elastic Blockchain Scaling Tweet this

Optimism (OP) Announces Critical Fault Proof Upgrade Impacting Bridges and Exchanges Tweet this

First impressions of Humane's Ai Pin: A very out-of-hand proof of concept Tweet this

CJEU rules (again) on shifting burden of proof in Hewlett-Packard case Tweet this

Ethereum Insider Ready For Battle: ETH Founders’ Fraud Proof Coming In 4-5 Days Tweet this

OKX Releases Industry Leading 9th Consecutive Proof of Reserves in July, Showing USD$11.3 billion in Primary Assets Tweet this

PROOF Collective: A Look Into the NFT Community Behind Moonbirds Tweet this

AntChain Integrates Zero-Knowledge Proof for Enhanced Privacy and Verification in Web3.0 Era Tweet this

Swiss non-profit and Blockstream to Broadcast Bitcoin Proof via Satellite Tweet this

Proof of bad faith: the Turkish Court of Cassation adopts a surprising stance Tweet this

Proof of reserves is becoming more effective, but not all its challenges are technical Tweet this

Grayscale cites security considerations for withholding on-chain proof of reserves Tweet this

Crypto Exchanges Committing To Proof Of Reserves, Will It Build Trust? Tweet this

Spoils Of The Merge: Bitcoin Proof Of Work Dominance Rises To 94% Tweet this

BNB Chain Launches Zero-Knowledge Proof Scaling Tech Tweet this

Comprehensive Review of Proof of Stake Consensus in Blockchain Tweet this

Moonbirds Parent Firm PROOF Closes $50M Series A Round Led by A16Z Tweet this

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