MAINSTAY LABS INC. logo

MAINSTAY LABS INC.

4 Marks
Corp.
First Filed:Jul 31, 2024Latest Filed:Sep 25, 2025Address:400 Montgomery Street, Suite 950, San Francisco, CA 94104, US

Portfolio Overview

Registered
2(50%)
Pending
1(25%)
Dead
1(25%)

Top Classes

Class 36
Insurance, Financial Services & Real Estate
4(100%)
Class 42
Software, IT Services & Scientific Research
3(75%)

TTAB Proceedings

No litigation activity

Top Firms

Coates IP(Sep 2025)
4

Trademark Portfolio

4 results

(current & previous marks)

Refine by Mark/Description🔽
Filed
Registered
Last Activity
MAINSTAY
MAINSTAY
Service Mark
Word
ITU
PENDING
Owner:
Serial:99413034
Filed:Sep 25, 2025
Classes:36
Goods & Services
Class 036: Real estate consultation; Real estate valuations; Real estate investment services; Real estate investment consultancy; Financial due diligence services in the field of real estate; Providing a database of information about residential real estate listings in different neighborhoods and communities
M
M
Service Mark
Combined
REGISTERED
Owner:
Serial:98676913
Filed:Jul 31, 2024
Classes:36, 42
Registration:8079833
Registered:Dec 23, 2025
Goods & Services
Real estate acquisition and property listing services; real estate brokerage services; real estate title insurance agency and underwriting services; real estate escrow services; real estate financing due diligence services; real estate investment consultancy; providing information in the field of residential real estate; real estate consultation; real estate valuations; real estate investment services; Providing online non-downloadable software for real estate management, including managing property listings, sales, purchases, rentals, pricing, financing, taxes, homeowners associations, payments, fees, and other real estate data; providing online non-downloadable software for real estate management, including purchases, pricing, payments; Software-as-a-Service (SaaS) featuring software for real estate management, including managing property listings, sales, purchases, rentals, pricing, financing, taxes, homeowners associations, payments, fees, and other real estate data; Platform-as-a-Service (PaaS) featuring software for real estate management, including managing property listings, sales, purchases, rentals, pricing, financing, taxes, homeowners associations, payments, fees, and other real estate data; providing data-related services, namely, software as a service (SaaS) services featuring software for use in database management, for use in producing data reports and for use in inputting, storing and accessing data, in the field of residential real estate; providing online non-downloadable software for real estate management, including managing property listings, sales, rentals, financing, taxes, homeowners associations, fees and other real estate data
MAINSTAY
MAINSTAY
Service Mark
Word
ABANDONED
Owner:
Serial:98676920
Filed:Jul 31, 2024
Classes:36, 42
Goods & Services
Real estate financing diligence services; real estate investment consultancy; providing information in the field of residential real estate; real estate consultation; real estate valuations; real estate investment services
MAINSTAY
MAINSTAY
Service Mark
Word
REGISTERED
Owner:
Serial:98975876
Filed:Jul 31, 2024
Classes:36, 42
Registration:8053905
Registered:Dec 2, 2025
Goods & Services
Real estate services; real estate acquisition and property listing services; real estate brokerage services; real estate title insurance agency and underwriting services; real estate escrow services; real estate marketing analysis; Non-downloadable software; Software-as-a-Service (SaaS); Platform-as-a-Service (PaaS); providing data-related services, namely, software as a service (SaaS) services featuring software for use in database management, for use in producing data reports and for use in inputting, storing and accessing data, in the field of residential real estate; non-downloadable software for real estate management, including managing property listings, sales, rentals, financing, taxes, homeowners associations, fees and other real estate data

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