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


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


Get to know our History

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


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.




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 +


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.

Robert  Tarcu

Robert Tarcu

Partner ∙ US Office
T: (703) 413-2739
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Robert Tarcu is a partner in the Electrical Patent Prosecution practice group.  Using his technical knowledge and legal expertise, Mr. Tarcu provides counseling on a wide range of matters including patentability, portfolio management, and patent prosecution strategies.  Having worked as a Patent Examiner for the United States Patent and Trademark Office (USPTO), he understands both sides of the patent prosecution spectrum and is experienced in effective examiner interviewing strategies, prosecution procedures, and USPTO practices.

Mr. Tarcu is well-versed in a wide array of technologies including artificial intelligence (AI), image processing, speech recognition, telecommunications, networking, optical systems, 3-D imaging, medical devices, smart devices and wearables, internet of (medical) things (IoT/IoMT), audio and video processing, and consumer electronics to name a few. He also has experience in the digital health, therapeutics and wellness space, which is a growing field that harnesses the combined power of computing platforms, software, traditional therapeutics and devices to enable the monitoring and improvement of lives and health. Mr. Tarcu is also highly skilled in drafting and prosecuting patent applications in a post-Alice environment in the computer software space, with further emphasis on mobile applications and graphical user interfaces (GUIs).

Mr. Tarcu has drafted and prosecuted applications for domestic and foreign companies of all sizes. He tailors his approach to each matter based on specific client needs and invests in learning about the client’s technologies, businesses, culture, and competitors. Mr. Tarcu believes that such a detail-oriented approach provides a holistic view of the company and aids in building and maintaining a strong and relevant patent portfolio.



  • University of New Hampshire School of Law (J.D.)
    • previously, Franklin Pierce Law Center
  • Rensselaer Polytechnic Institute (B.S.)
    • Computer & Systems Engineering


  • District of Columbia
  • New Jersey
  • Virginia
  • Registered to practice before the U.S. Patent and Trademark Office
  • Supreme Court of Virginia


  • Romanian

Professional Affiliations

  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)