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Map of Ontario, CAMap of Ontario, CAExpand Map

Intellectual Property Attorneys in Ontario, CA

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1. InventHelp

InventHelp

Serving the Ontario Area

OPEN 24 HOURS

From Business: What can InventHelp do for you and your invention idea? InventHelp offers services that can help inventors submit their ideas to companies. Check out some of the services…

2. American Patent Trademark Law Center

American Patent Trademark Law Center

Serving the Ontario Area

CLOSED NOW

From Business: Unlike many Patent law firms our primary Patent Attorney Donn Harms who has over 20 years experience in patent law, also has previous business experience as a licensed…

YP
49 Years
in Business

5. Law Office of Lewis Brande

Law Office of Lewis Brande

5976 Falling Tree Ln, Rancho Cucamonga, CA, 91737

CLOSED NOW

From Business: Whether your business needs legal guidance in establishing a copyright, patent, or trademark, my firm in Rancho Cucamonga, California — Law Office of Lewis Brande — can get you…

YP
31 Years
in Business

7. Trunnel Trademark Specialist

Trunnel Trademark Specialist

10670 Civic Center Dr Ste 130, Rancho Cucamonga, CA, 91730

CLOSED NOW

9. Griffith Trunnel, Venus Attorney at Law

Griffith Trunnel, Venus Attorney at Law

9620 Center Ave Ste 130, Rancho Cucamonga, CA, 91730

YP
16 Years
in Business

10. Walter S Martinez Law Office

Walter S Martinez Law Office

10722 Arrow Rte Ste 610, Rancho Cucamonga, CA, 91730

CLOSED NOW
YP
25 Years
in Business

12. Leech Tishman

Leech Tishman

222 N Mountain Ave, Upland, CA, 91786

CLOSED NOW

From Business: At Sheldon Mak & Anderson, we recognize that innovation is your competitive edge - and it needs protection. With more than two decades of intellectual property experience, we…

YP
41 Years
in Business

16. Buhler & Associates Patent Law

Buhler & Associates Patent Law

1101 California Ave Ste 208, Corona, CA, 92881

CLOSED NOW

From Business: Buhler Associates Patenting was founded to provide a bridge from inventors to patents. Unlike many Patent law firms the majority of associates worked as engineers for many…

YP
21 Years
in Business

17. Ascus IP Law

Ascus IP Law

3027 Michelle Dr, Colton, CA, 92324

CLOSED NOW

18. Nelson Patent Law

Nelson Patent Law

3615 Main St, Riverside, CA, 92501

From Business: We file patent applications and represent you and your inventions before the United States Patent and Trademark Office. We also manage patent portfolios and assist businesses…

19. Averill & Green, Kenneth L. Green, Attorney

Averill & Green, Kenneth L. Green, Attorney

14831 Whittier Blvd Ste 206, Whittier, CA, 90605

CLOSED NOW

From Business: Our law firm offers a wide selection of Intellectual Property services, specializing intellectual property law: Patents, Trademarks and Copyrights along with patent searches…

YP
21 Years
in Business

21. Kauth Joel

Kauth Joel

2400 E Katella Ave Ste 1050, Anaheim, CA, 92806

CLOSED NOW

22. USA KW Trading Inc.

USA KW Trading Inc.

9835 Joe Vargas Way, South El Monte, CA, 91733

CLOSED NOW
YP
17 Years
in Business

25. mjIP An Intellectual Property Firm

mjIP An Intellectual Property Firm

1 Park Plaza Suite 600, Irvine, CA, 92614

CLOSED NOW

From Business: Our expert patent attorneys can help you protect your intellectual property. Don’t let the cost of litigation prevent you from enforcing your rights. We work with our clients…

26. Gulick Law - Patents, Trademarks & Aviation Law

Gulick Law - Patents, Trademarks & Aviation Law

2372 Morse Ave, Irvine, CA, 92614

CLOSED NOW

From Business: Orange County Premier patent, trademark and copyright law firm serving businesses and individuals throughout the United States.

27. Roland Tong

Roland Tong

695 Town Center Dr 4th Fl, Costa Mesa, CA, 92626

CLOSED NOW

From Business: Roland Tong is an experienced business and intellectual property attorney based in Southern California. For over 15 years, he has helped businesses and individuals safeguard…

28. Crockett & Crockett

Crockett & Crockett

6B Liberty, Suite 145, Aliso Viejo, CA, 92656

CLOSED NOW

From Business: The experienced Orange County lawyers at Crockett & Crockett have a significant history of success protecting the intellectual property rights of our clients, including patent…

YP
24 Years
in Business

29. ArentFox Schiff LLP

ArentFox Schiff LLP

555 W 5th St, Los Angeles, CA, 90013

CLOSED NOW

From Business: Founded in 1942, Arent Fox is a law firm that specializes in the areas of international business and trade, life sciences, and labor and employment. The firm has a staff of…

30. Trojan Law Offices

Trojan Law Offices

811 Wilshire Blvd, Los Angeles, CA, 90017

CLOSED NOW

From Business: At Trojan Law Offices (TLO®) in Los Angeles, we're uniquely positioned to assist, counsel, and represent clients seeking protection for ideas and inventions through patent…