Who owns the BLOCKS.AI trademark?

The BLOCKS.AI trademark is owned by PubNub Inc..

What is the serial number for BLOCKS.AI?

The USPTO serial number for BLOCKS.AI is 99791200.

What is the registration number for BLOCKS.AI?

BLOCKS.AI is registered under USPTO registration number 0.

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Updated Sep 17, 2026·25 searches this week

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USPTO Trademark Record

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BLOCKS.AI

Q: What class is the BLOCKS.AI trademark registered in?

The BLOCKS.AI trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 99791200·Reg 0·Filed Apr 28, 2026

Owner PubNub Inc.

Advertising; business management, organization and administration; office functions.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

BLOCKS.AI (Serial No. 99791200), Registration No. 0, is a pending US trademark filed on Apr 28, 2026 by PubNub Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

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Mark Intelligence

BLOCKS.AI (Reg. #0) is a pending US trademark that was filed in 2026 and is currently under USPTO examination. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi....

FILED

Apr 28, 2026

SERIAL

99791200

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateApr 28, 2026

Serial Number99791200

Registration No.0

Registration DateDec 31, 1969

Status DateApr 28, 2026

Mark TypeStandard characters

Filing Basis & Declarations

Standard Characters Claimed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

This description is as filed with the USPTO and defines the scope of trademark protection.