IPkey is a committed patent law firm delivering results to inventors and enterprises around the world.

We listen closely, think creatively, and work tirelessly to achieve the best possible patent for the client, every time.

Our Advantages

We are 100% focused on achieving patents that create value for our clients, whether by attracting investment, improving negotiating positions with partners, creating revenue streams, stopping infringement, or avoiding litigation. To accomplish this, we augment our core engineering experience with best-in-class patent prosecution technologies to achieve better patents, faster, and at lower cost than other law firms. To meet our clients’ needs, we offer fixed fee services, and, in select cases, deferred payment structures.

Areas of Focus


Utility Patents & Design Patents

Our core strength is patent preparation and prosecution before the United States Patent and Trademark Office. We take pride in writing patents that are valid, enforceable, and which provide the foundation for a global patent strategy.


Global Patent Portfolio Development

Working with our network of trusted foreign patent attorneys, we have the resources and experience to lead the coordinated procurement of patents in all major jurisdictions.

Intellectual Property Strategy

We advise our clients on how to leverage patents to support valuation, improve negotiating positions, create revenue streams, stop infringement, avoid litigation, and advance other strategic goals.


Monetization and Litigation Campaign Support

Our affiliate law firm, Watershed IP Law, PLLC, monetizes our clients’ patent portfolios through licensing and litigation programs.


Foreign Associate Services

We act as U.S. patent counsel to foreign law firms. In this capacity, we endeavor to provide very timely execution at competitive rates as compared to other firms. We regularly provide U.S. patent law updates to our foreign colleagues on a courtesy basis, so that they may properly advise their clients.


Achieved hundreds of U.S. and foreign patents

We are experienced with numerous technology areas, including: aerospace, amusements, aviation systems, automotive, building materials, cellular (3G/4G/5G), consumer electronics, cosmetic devices, food production systems, footwear, furniture, games, image sensors, industrial processes, inflatables, machinery, medical devices, nanofluidics, packaging, semiconductors, software, sports equipment, surgical systems, tissue analysis systems, textiles, toys, and turbine engines.

Example Engagements*

Inc. 5000 Toy Company

secured patents protecting best-selling puzzle toys and developed international portfolio of patents which were successfully enforced to stop sales of knock-off products

Manufacturer of Inflatable Attractions

obtained design patents which were successfully enforced by litigation co-counsel to enjoin infringing activity

Venture-Backed Bioengineering Company

prepared numerous patent applications to support financing round and strategic partnerships

Beijing-based IP Law Firm

represent China-based clients as U.S. patent counsel on a fixed fee basis for utility patents and design patents


“Kyle is instrumental in securing patents that protect our products and keep knockoffs out of our sales channels. In our first five years working together, Kyle grew our patent portfolio from 2 patents to nearly 50 utility and design patents around the world as our company grew internationally. Kyle has been an indispensable part of our team.”

Kevin Daniels
President/Co-Founder, Fun In Motion Toys

“I’ve been with Kyle for years on US patent matters. I greatly appreciate his deep knowledge of US patent law, his timely response, and valuable advice. He is a reliable US patent attorney you can work with for long-term.”

Johnson Ge
Managing Partner, Uni-Intel Patent and Trademark Law Firm (Beijing)

“Kyle and I have worked together for years as co-counsel on common matters. Kyle has an incredible work ethic, deep knowledge of patent law and has always delivered high quality work product with surgical efficiency. He gives 100% on every patent, is always responsive, and most importantly, obtains patents that I can enforce for our mutual clients.”

Joseph Sozzani
Founding Attorney, Infinity IP, PLLC


Representative Patents and Patent Applications

Written by IPkey Patent Attorney, Kyle Yarberry

Control Systems, Devices, and Methods for Formulation Delivery

U.S. Patent Publication No. 2022/0273084 A1 (Pending)

Systems and Methods for Creating Custom Formulations

U.S. Patent No. 11,076,683 B2

Event Recognition System

U.S. Patent No. 11,182,610 B2

Knitted Components Reinforced with High Tenacity Yarn

U.S. Patent No. 10,731,279 B2

Protected Float

U.S. Patent No. 10,851,482 B2

Systems and Methods for Sorting Insects

U.S. Patent No. 11,020,834 B2

Illuminated Levitating Wand

U.S. Patent No. 11,486,551 B2

Gas-Injected Beverage Apparatuses, Systems, and Methods

U.S. Patent No. 11,192,073 B2

Hybrid Structural Panels and Structural Sections

PCT Publication No. WO
2022/026898 A1

Inflatable Obstacle

U.S. Design Patent No. D956,159 S

Inflatable Attraction

U.S. Design Patent No. D944,350 S

Pillow Blanket

U.S. Design Patent No. D948,246 S


Kyle E. Yarberry
Patent Attorney (Reg. No. 70,157)

Kyle has over ten years experience as a patent professional, first as a patent agent and then as a registered patent attorney in private practice – most recently as a partner at a respected Seattle IP law firm.

His experience includes:

  • writing and prosecuting hundreds of utility and design patent applications
  • formulating and executing global patent portfolio strategies
  • representing clients before the Patent Trial and Appeal Board and in federal district court
  • preparing invalidity and non-infringement opinions
  • supporting patent-related aspects of financing and commercial transactions

He earned his bachelor’s degree in Mechanical Engineering from Southern Methodist University and his J.D. from The University of Michigan Law School. Kyle is admitted to practice in the state of Washington, before the United States Patent and Trademark Office, and in the U.S. District Court for the Western District of Washington.

John W. Zerr
Patent Attorney, Of Counsel
(Reg. No. 56,009)

John is a patent professional with over 15 years of experience in the preparation and prosecution of patent applications across a wide variety of mechanically related fields and industries. John is also highly experienced in the preparation and prosecution of design patent applications. John’s prosecution experience in both utility patents and designs covers the United States and many different foreign countries and jurisdictions. Prior to joining IPkey PLLC, John was a partner at a prominent intellectual property firm in the Pittsburgh area. Prior to that, John served as a Patent Examiner with the U.S. Patent and Trademark Office in Technology Center 3600, focusing on the examination of applications in the fields of agriculture and defense.

John received a J.D., cum laude, from the University of Pittsburgh School of Law and a B.S. degree, magna cum laude, in Mechanical Engineering from the University at Buffalo (SUNY). John is admitted to the Pennsylvania bar and is a registered patent practitioner before the U.S. Patent and Trademark Office.

David A. Sasso
Patent Attorney, Of Counsel
(Reg. No. 43,084)

David is an IP professional with over twenty-five years of experience supporting worldwide IP transactions including patent licensing, litigation settlement, and strategic patent acquisitions and divestitures. He has extensive experience with IP matters both in private practice and as an in-house counsel. His technical background includes computer systems engineering, medical devices, consumer electronics, photonics, semiconductor, telecommunication, search advertising and display technologies. Over his career, David has served as a Senior Counsel, Director, Chief Counsel and Vice President for a number of organizations managing legal and technical teams to support a full spectrum of IP functions. David is the founding attorney of Watershed IP Law, PLLC, the IPkey affiliate law firm with expertise in global patent monetization.

David received his bachelor’s degree in electrical engineering from Rutgers University and his J.D. from Hofstra University School of Law. He is admitted to the bars of New York, Pennsylvania, Washington, and the United States Patent and Trademark Office.

We Hope To Hear From You.

Whether you’re an inventor with a great idea, an organization seeking more effective patent counsel, or a patent attorney looking to practice at your highest ability, we hope to hear from you.

Mailing address

P.O. Box 10749
Bainbridge Island, WA 98110

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*Nothing on this site constitutes legal advice. Past outcomes do not guarantee future outcomes.

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