Louis DelJuidice

Troutman Sanders LLP

Louis J. DelJuidice specializes in inter partes and covered business method patent reviews and in prosecuting ex parte re-examinations for petitioners/requestors and patent owners. He travels to and lectures extensively in Japan. Louis has extensive knowledge of firearms and medical devices.

For more than 15 years, Louis has focused his practice on litigation, prosecution and client counseling in the automotive, medical device, battery, molded plastic and electromechanical areas and, more recently, blockchain. Louis is also focused on providing legal opinions on issues relating to patentability, freedom to operate, noninfringement and invalidity.

An important portion of Louis’ practice involves managing portfolios for U.S. and Japanese clients, as well as auditing and performing due diligence on intellectual property assets in the furtherance of licensing.

Louis has represented clients in a wide range of technologies, including DVD, audio equipment, cellular telephone, digital rights management, digital watermarking, internet content provision, optics for digital cameras, cutting tools, dialysis machines, absorbent articles, semiconductors, printed circuit board, circuit board connector technologies, fuel cells and lithium batteries.

Prior to entering the practice of law, Louis was a civil engineer with a concentration and M.S. in water and hydraulics, as well as a professional engineer in three states. Louis also worked extensively in water treatment and with hydraulic machinery.

Representative Matters :

  • For two separate patent owners, secured denials of inter partes review; both of the patents were in active litigation.
  • Represented a patent owner in both an inter partes review and a covered business method patent review, and brought both to a successful settlement.
  • Represented a patent owner in an inter partes re-examination and successfully reversed 10 grounds of rejection without a claim amendment.
  • Obtained a decision by the Patent Trial and Appeal Board to overturn an examiner’s determination of unpatentability, securing the patenting of a multicolor lip balm in an ex parte re-examination.
  • Managed patent portfolios for clients ranging from startups to multibillion-dollar corporations in both the U.S. and Japan.


  • Elizabeth Haub School of Law at Pace University, J.D., magna cum laude, 2001
  • Lehigh University, M.S., 1995
  • Lehigh University, B.S., 1993

BAR ADMISSIONS : New York, U.S. Patent and Trademark Office.


  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the District of New Jersey


Rate : $$$

What types of cases Attorney Louis DelJuidice & Troutman Sanders LLP can handle?
Troutman Sanders LLP can handle cases related to laws concerning Intellectual Property, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Troutman Sanders LLP located?
Troutman Sanders LLP is located at 875 3rd Ave, New York, NY 10022, USA. You can reach out to Troutman Sanders LLP using their phone line 212.704.6189. You can also check their website troutman.com or email them at [email protected].
How much would it cost to hire Troutman Sanders LLP?
Louis DelJuidice lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Troutman Sanders LLP
875 3rd Ave, New York, NY 10022, USA
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