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
Learn More +

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.

Stay informed with

Our Blogs

Jenna  Logsdon, Ph.D.

Jenna Logsdon, Ph.D.

Patent Agent
T: (703)412-6451
F: 703-413-2220
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Jenna Logsdon, Ph.D., is a patent agent in the firm's Chemical Patent Prosecution group focusing on patent preparation and prosecution for domestic and international clients. She is experienced in organic chemistry, materials science, nanomaterials, and ultrafast spectroscopy.

Prior to joining Oblon, she spent several years in the technology transfer offices at Northwestern University, the National Cancer Institute, and the University of South Florida, working with university inventors on a wide variety of technologies.

Dr. Logsdon obtained her doctoral degree in chemistry at Northwestern University, where she synthesized and analyzed the photophysical properties of organic chromophores for use in organic photovoltaics, using techniques such as transient absorption spectroscopy and small angle x-ray scattering. She has published more than 15 papers in this field.


  • Northwestern University
    • Chemistry, Ph.D.
  • University of Tampa
    • Chemistry, B.S.
    • Biology, B.S.


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


         Eastham, N.D.; Logsdon, J.L.; Manley, E.F.; Aldrich, T.J.; Leonardi, M.J.; Wang, G.; Powers-Riggs, N.E.; Young, R.M.; Chen, L.X.; Wasielewski, M.R.; Melkonyan, F.S.; Chang, R.P.H.; Marks, T.J. “Hole-Transfer Dependence on Blend Morphology and Energy Level Alignment in Polymer:ITIC Photovoltaic Materials.” Adv. Mater., 2018, 30, 1704263.

         Logsdon, J.L.; Hartnett, P.H.; Nelson, J.N.; Harris, M.A.; Marks, T.J.; Wasielewski, M.R. “Charge Separation Mechanisms in Ordered Films of Self-Assembled Donor-Acceptor Dyad Ribbons.” ACS Appl. Mater. Interfaces, 2017, 9, 33493-33503.

         Logsdon, J.L.*; Margulies, E.A.*; Miller, C.E.; Ma, L.; Simonoff, E.; Young, R.M.; Schatz, G.C.; Wasielewski, M.R. “Direct Observation of a Charge-Transfer State Preceeding High-Yield Singlet Fission in Terrylenediimide Thin Films.” J. Am. Chem. Soc., 2016, 139, 663-671.


  • National Science Foundation Graduate Research Fellow, 2015