the firm's post-grant practitioners are some of the most experienced in the country.

Technologies

Artificial Intelligence (AI)
Artificial Intelligence (AI)
Digital Health
Digital Health
Energy & Renewables
Energy & Renewables

Fast Facts

About Our

Law Firm

About Our Law Firm

Headquartered within steps of the USPTO with an affiliate office in Tokyo, Oblon is one of the largest law firms in the United States focused exclusively on intellectual property law.

Get to know our

History

Get to know our History

1968
Norman Oblon with Stanley Fisher and Marvin Spivak launched what was to become Oblon, McClelland, Maier & Neustadt, LLP, one of the nation's leading full-service intellectual property law firms.

Our Local and

Global Reach

Our Local and Global Reach

Outside the US, we service companies based in Japan, France, Germany, Italy, Saudi Arabia, and farther corners of the world. Our culturally aware attorneys speak many languages, including Japanese, French, German, Mandarin, Korean, Russian, Arabic, Farsi, Chinese.

A few of our

ACCOLADES

A few of our ACCOLADES

Oblon's professionals provide industry-leading IP legal services to many of the world's most admired innovators and brands.

OPPORTUNITIES FOR YOUR

Career

OPPORTUNITIES FOR YOUR Career

From the minute you walk through our doors, you'll become a valuable part of a team that fosters a culture of innovation, client service and collegiality.

A few ways to

GET In Touch

A few ways to GET In Touch
US Office

Telephone: 703-413-3000
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Tokyo Office

Telephone: +81-3-6212-0550
Learn More +

Downloadable

Patent Forms

Downloadable Patent Forms

The United States Patent and Trademark Office (USPTO) issued final rules implementing the inventor's oath or declaration provisions of the America Invents Act (AIA) on August 14, 2012.

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Our Blogs

Nathan Zwartz

Patent Agent ∙ US Office
E: nzwartz@oblon.com
T: (703) 412-1428
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Nathan Zwartz is a Patent Agent in the Electrical and Mechanical Practice Group, where he focuses on preparing and prosecuting U.S. patent applications across a broad range of technologies before the USPTO. With a background in mechanical engineering and years of experience in private practice and in-house roles, he offers clients a well-rounded perspective on protecting innovative technologies from conception through commercialization.

Mr. Zwartz has drafted and prosecuted numerous patent applications spanning various industries and covering both mechanical and electrical technologies. His experience includes: automotive technologies such as torque converters, drive units, transmission systems, brake systems, suspension systems, autonomous driving systems, lighting systems, sensors, specialized manufacturing equipment, and vehicle-related software; industrial control technologies including fluid valves, pumps, actuators, heat exchangers, and related control software; farming and earthmoving equipment; power distribution technologies including high-voltage and medium-voltage switchgear and sensors; drone technologies and spacecraft propulsion; desalination systems; and hydroponics equipment, among other technologies. He has also supported clients in navigating complex strategies for patent procurement and portfolio development.

Prior to joining the firm, Mr. Zwartz served as a design engineer at a switchgear manufacturing company, where he was responsible for the technical design and review of custom electrical switchgear systems for medium-voltage and high-voltage applications. He also invented frameworks for adjusting underground switchgear during onsite installations, while acting as an internal IP liaison—collaborating closely with inventors, company executives, and outside patent counsel to manage and develop a growing patent portfolio.


Education

  • Illinois Institute of Technology (B.S.)
    • Mechanical Engineering
    • Cum Laude

Admissions

  • Registered to practice before the U.S. Patent and Trademark Office

Services

Technologies