Dan Shifrin Attorney Profile on UpCounsel
Dan Shifrin

Dan Shifrin

Attorney at Law

Denver
Licensed in
Patent Bar, CO
Washington University
School of Law

"Diligent, always accessible! Dan was honest in his representation of himself and his work."

4.9 5
Clear Communication
Response Time
Knowledgeable
Meets Deadlines
out of 111 reviews
About
Dan Shifrin has been a registered patent attorney for 26 years allowing him to assist patent and trademark clients nationwide. He specializes in patent drafting, prosecution, and appeals, trademark registrations, and preparing patentability and infringement/non-infringement opinions. He has handled inventions in a broad number of areas, including: electrical, electronic, computer, software, neural networks, data compression, energy, automotive, medical, mechanical, robotics, construction, tools, home maintenance, outdoor recreation, fitness, law enforcement, and consumer items, among others.

Dan lives in Colorado with his wife of 40 years
… read more and enjoys hiking, scuba diving, and photography.
20
Repeat
clients
225
Projects on
upcounsel
29
Years
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Less than 1 day
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Fortune 500 Badge

Practice Areas

Client Reviews

4.9
Clear Communication
Response Time
Knowledgeable
Meets Deadlines
out of 111 reviews
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"n/a"


Posted on Aug 15, 2017
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"Thanks Dan for taking care of this. So nice to have you take care of this for us."


Posted on Aug 7, 2017
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"Dan's great"


Posted on Aug 3, 2017
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"Dan is super responsive, easy to work with, efficient, and gives great guidance. I highly recommend him!"


Posted on Jul 28, 2017
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"Always clear, professional, and reliable. Highly recommended. "


Posted on May 19, 2017
Clear Communication
Response Time
Knowledgeable
Meets Deadlines

"Always efficient, timely and clear. Highly recommended. "


Posted on May 17, 2017

Work History

Shifrin Patent Law

Owner

Oct 2005 - Present

Throughout my career, I have worked closely with inventors, engineers, managers, business development personnel, and other IP attorneys. I assist companies of all sizes, as well as individuals. In partnership with my clients, I help move ideas from the invention stage through evaluation and protection towards marketing.

Oct 2005 - Present

Swanson & Bratschen, LLC

Of Counsel

Jan 2002 - Oct 2005

At Swanson & Bratschun, I evaluated invention disclosures; prepared and prosecuted domestic and foreign patent applications, including BPAI appeals, in a wide variety of areas; prepared patentability, infringement and validity studies and opinions; drafted patent and technology licenses and non-disclosure agreements; and prepared and prosecuted trademark applications.

Jan 2002 - Oct 2005

Cirrus Logic

Assistant General Counsel, IP

Nov 1996 - Jan 2002

At Cirrus Logic, I oversaw the intellectual property matters for the Magnetic and Optical Storage Divisions, the Peak Audio Division, the Audio Logic Division, and the Wireless Technology Division. I worked directly with engineer-inventors, managers, and outside patent counsel.

Nov 1996 - Jan 2002

IBM

Senior Patent attorney

Jun 1992 - Nov 1996

At IBM, I supervised all intellectual property matters for the Removable Media Storage Solutions business unit. I worked closely with in-house general counsel, business development personnel, managers, engineers, and other IP attorneys at various company locations.

Jun 1992 - Nov 1996

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