Klarquist’s professional staff of attorneys and patent agents hail from diverse backgrounds, and have deep and broad legal and industry experience.
Mobile Devices & Applications
Litigation, Outsourced "In-House" IP Counsel, Trademarks
Since 1995, Mr. Carraway has focused his practice exclusively on intellectual property litigation, representing such clients as Microsoft, SAP, eBay, LinkedIn, and NBC in patent litigation in federal courts nationwide. Mr. Carraway has particular experience litigating patents involving computer software, computer hardware, video game technology, and e-commerce. He has argued at numerous claim construction and summary judgment hearings and Federal Circuit appeals. Prior to entering private practice, Mr. Carraway served as a law clerk to the Hon. William C. Bryson of the U.S. Court of Appeals for the Federal Circuit. Some of the federal courts where Mr. Carraway has recently litigated include California (Northern and Central Districts), Colorado, Delaware, Massachusetts, New York (Southern District), Oregon, Texas (Eastern and Western Districts), Virginia (Eastern District), and Washington (Western District).
Michael Best & Friedrich, LLP
Associate | 1996 – 1999
Law clerk to the Honorable William C. Bryson of the United States Court of Appeals for the Federal Circuit | 1995 – 1996
Over the last few years, Chris has served as lead counsel on the following patent litigation cases (represented party underlined):
Patents: International and Utility
Mr. Cesarano is a patent agent with expertise in patent prosecution specializing in highly technical applications focused on electrical engineering, wireless technology, and computer hardware and software. Mr. Cesarano has more than 15 years of industrial experience in electrical engineering designing technological applications for such clients as Lockheed Martin, NASA, and Oleson Microwave.
Mr. Cesarano has extensive experience advising tech companies and government entities across several different technology areas, including electrical engineering and device physics fields, computer and information systems architecture and integration, cellular and wireless technology, RF engineering, and security systems architecture. His technical expertise primarily focuses on computer hardware-, software-, and electrical engineering-related technologies.
Mr. Duncan’s practice focuses on the preparation and prosecution of U.S. and foreign patent applications. Mr. Duncan also has experience preparing patent opinions and conducting inter partes reexamination proceedings.
Mr. Duncan’s technical focus is in electrical engineering and software, including electronic circuits, mobile devices, cloud computing, and databases. Mr. Duncan also has experience drafting and prosecuting patent applications for mechanical devices and sporting goods. During graduate school, Mr. Duncan focused on environmental engineering and completed a master’s thesis titled “Conservation and Allocation of Slope in Gravity Sanitary Sewer Design.”
Prior to joining the firm, Mr. Duncan practiced patent law at Shook, Hardy & Bacon, LLP, in Kansas City, Missouri. Prior to attending law school, Mr. Duncan worked as an intern in the Satellite Imagery Analysis Unit of the United Nations International Atomic Energy Agency (IAEA) in Vienna, Austria. Mr. Duncan also gained experience in biosensor circuit design as an engineering assistant at Pinnacle Technology and in avionics circuit design as an electrical design engineer intern at Garmin.
Litigation, Patents: Design, International and Utility, Post-Grant USPTO Proceedings
Mr. Grellmann’s practice focuses on the preparation and prosecution of patent applications.
Mr. Grellmann’s focus is in mechanical-related technologies including medical devices, automotive technology, and consumer products, and in electrical- and computer-related technologies, including semiconductors and software.
MSU College of Law Housing Law Clinic
Research Assistant | 2012
Campbell Campbell Edwards & Conroy
Summer Associate | 2011
Legal Aid Services of Oregon
Law Clerk | 2010
U.S. Army Corps of Engineers, Hydroelectric Design Center
Mechanical Engineering Technician | 2008
2011, Summer Associate
Intellectual Property Counseling, Licensing & Technology Transfer, Patents: Design, International and Utility, Trademarks
Dr. Heck assists clients in a wide variety of intellectual property matters, including advising on patent and trademark issues related to acquisition, enforcement, and licensing. Dr. Heck files and prosecute patent applications for a broad range of technologies. He also has significant experience in drafting legal agreements related to intellectual property, including license agreements, confidentiality agreements, and material transfer agreements. Dr. Heck has participated in legal proceedings both enforcing patents and defending against charges of patent infringement, as well as participating in post-grant review proceedings. He also counsels clients regarding issues of patentability, patent validity, and non-infringement. His time spent working in-house at the University of Nevada, Reno, helps Dr. Heck develop client-centric solutions.
Dr. Heck’s practice embraces many technical areas. Both in private practice and in-house roles, he has helped universities and research institutions patent inventions in diverse fields such as chemistry, biotechnology, chemical engineering, material science, computer-related technologies, and mechanical devices. Dr. Heck has assisted companies of all sizes, as well as individual inventors, with a variety of technologies, including power distribution units, gaming devices, and video surveillance. He is passionate about learning new technologies, and is currently taking coursework in computer science and engineering, and previously completed a technical diploma for the Intensive Brewing Science & Engineering Program offered by the American Brewers Guild.
University of Nevada, Reno (UNR), Reno, NV
Director and Patent Counsel for the Technology Transfer Office of the UNR and Desert Research Institute | 2008 – 2015
Klarquist Sparkman LLP, Portland, OR
Associate | 2004 – 2008
Nath & Associates, Reno, NV
Associate | 2004
Ian F. Burns & Associates, Reno, NV
Associate | 2002 – 2004
Howrey Simon Arnold & White, Houston, TX
Associate | 2001 – 2002
ExxonMobil Chemical Co., Baytown, TX
Summer Associate | 2000
2004 – 2008, Associate
Intellectual Property Counseling, Licensing and Technology Transfer, Litigation, Outsourced "In-House" IP Counsel, Patents: Design, International and Utility, Post-Grant USPTO Proceedings, Startups & Emerging Businesses, Trademarks, Copyrights
Mr. Lauer practices in all aspects of intellectual property law, with an emphasis on patent and trademark counseling and patent litigation. Mr. Lauer is also an active member of the Post-Grant Practice Group at Klarquist. Mr. Lauer represents both patent owners and third-party requesters in reexamination proceedings, and has been lead or backup counsel in inter partes review (IPR) and covered business method (CBM) patent reviews.
Mr. Lauer’s legal experience covers a broad range of intellectual property issues, including patent litigation, patent and trademark prosecution, product design and development consultation, patentability studies, infringement and validity opinions, and various licensing issues. Mr. Lauer represents a broad range of clients and industries, with a particular emphasis in mechanical and electromechanical devices, medical devices and related delivery systems, laboratory and diagnostic equipment, and Internet technologies.
Prior to joining Klarquist Sparkman, LLP, Mr. Lauer worked as a patent attorney at Carlson Caspers Vandenburgh & Lindquist, PA and Merchant & Gould, PC in Minnesota. Before law school, Mr. Lauer worked in Washington DC as an engineer at an engineering and law firm that provided technical consulting on the design and optimization of telecommunications networks and related FCC compliance requirements.
Patents: Design and Utility, Startups & Emerging Businesses
Mr. Lunsford’s practice focuses on the preparation and prosecution of patent applications.
Mr. Lunsford has extensive industry experience in the areas of system architecture, software application development, web-based technologies, real-time data processing, mobile applications, database architecture, “big data” processing and analytics, distributed computing, machine learning, data visualization, cryptography, human-computer interaction, virtual reality, and augmented reality. His focus is in software-, computer-, and electrical-related technologies.
Benefitfocus.com, Inc., Charleston, SC
Patent Agent | 2010 – 2015
Software Architect | 2008 – 2015
Nelson Mullins Riley & Scarborough, LLP, Charleston, SC
Open Source Software Consultant (through Intrepid IP Services, LLC) | 2011
GrandMasters, LLC, Bellevue, WA
Software Development Consultant | 2010
Belief Networks, Charleston, SC
Senior Software Engineer | 2007 – 2008
Blackbaud, Charleston, SC
Software Engineer | 2005 – 2007
Edfinancial Services, Knoxville, TN
Software Engineer | 2003 – 2005
Domain Disputes, Intellectual Property Counseling, Patents: Design, International and Utility
Mr. Maurer’s practice focuses on the preparation and prosecution of computer-related and bioinformatics patent applications, open source software, and intellectual property counseling.
Mr. Maurer’s experience includes a wide range of software development, big data, user interface, bioinformatics, and telecommunications technologies, including complex algorithms and numerous programming languages, such as assembly, C++, LISP, Java and various visual and object-oriented languages.
Five years professional computer science experience, with particular emphasis on system integration and software development. Senior Systems Analyst, 1991 – 1993.
Mr. Meier’s practice focuses on the preparation and prosecution of patent applications. His practice also includes client counseling and analysis regarding licensing and patentability, patent infringement, and invalidity.
Mr. Meier has extensive industry experience developing computer architectures and integrated circuit designs for applications including embedded and reconfigurable computers, networking, storage, and liquid crystal display technologies. His technical expertise focuses on computer hardware-, software-, and electrical engineering-related technologies. He also has experience prosecuting patents in the mechanical, optical, and business method arts.
Prior to attending law school, Mr. Meier worked as a computer hardware engineer at various large companies and start-ups including: Hewlett-Packard Company, STMicroeletronics, StarGen Inc., and Ambric Inc. He worked at Rockwell International, Cyrix Corporation, and Microsoft Research as an intern. Mr. Meier also held research and teaching assistant positions at the University of Washington and the University of Colorado. Prior to joining the firm, Mr. Meier worked as a law clerk at Mentor Graphics Corporation, Stoel Rives LLP, and Alleman Hall McCoy Russell & Tuttle LLP.
Intellectual Property Counseling, Licensing and Technology Transfer, Litigation, Patents: International and Utility, Post-Grant USPTO Proceedings
Mr. Rinehart specializes in the preparation and prosecution of software patents. Aside from patent prosecution, he has extensive experience with third-party patent review projects (e.g., non-infringement analysis, invalidity analysis) and portfolio analysis projects. Mr. Rinehart also has experience with patent litigation and reexamination.
Mr. Rinehart prepares and prosecutes patents in technical areas such as media encoding and decoding (codecs), cryptography, quantum communications, database architectures, data visualization, and user interface design.
Northfield Information Services, Inc., Boston, MA | 1996 – 1998
Dr. Rohatgi prepares and prosecutes U.S. and foreign patent applications. Since joining Klarquist, he has primarily been working with the Software group, writing applications, and prosecuting existing cases. He has also been working with other practice areas on physics-related technologies.
Dr. Rohatgi’s technical expertise includes diverse areas such as organic LEDs and displays, electronics, medical devices, computing equipment, software, wireless communication, and optical networks. Dr. Rohatgi has 14 years industry experience, as well as six years experience in university and national laboratory settings.
As a physicist, Dr. Rohatgi was part of the Stanford University team that demonstrated the world’s first visible light Free-Electron Laser, and spent another three years at Lawrence Livermore National Labs developing a positron-electron collision experiment. Subsequently, he spent 14 years developing commercial electronics and associated software and firmware. Dr. Rohatgi’s projects have included a 200 MHz RF Lock-in Amplifier and a 60 GHz point-to-point radio. He has also been part of start-up teams developing medical devices, including a whole body PET scanner and a fiber optic probe for coronary arteries.
Global OLED Technology (GOT), Herndon, VA | 2012 – 2016
Technology, Patents, and Licensing (TPL), Dolyestown, PA | 2006-2012
Medeikon Corporation, Ewing, NJ | 2005 – 2006
PhotoDetection Systems, Acton, MA | 2001 – 2005
SierraCom, Hopkinton, MA | 2000 – 2001
PMC Beta, Natick, MA | 1999 – 2000
Stanford Research Systems, Sunnyvale, CA | 1992 – 1997
Lawrence Livermore National Laboratory, Livermore, CA | 1989 – 1992
Stanford University, Stanford, CA | 1986 – 1989
Dr. Rohatgi is listed as inventor on six U.S. patents
Intellectual Property Counseling, Patents: Design, International and Utility
Mr. Scotti’s practice includes all facets of intellectual property practice including patents, opinions, clearance, and litigation. He has worked in both the U.S. and Europe on patent drafting, patent litigation, and trademark prosecution. His extensive experience in both the U.S. and Europe gives him a unique perspective on the international protection of intellectual property. Mr. Scotti has lectured in both the U.S. and Europe on how to draft patent applications for global protection. He has also assisted in European litigations with issues that intermingle U.S. and European law.
Mr. Scotti’s practice emphasizes electrical- and computer-related fields.
Studio Torta, Turin, Italy
IP Attorney | 2004 – 2007
While working in Europe, Mr. Scotti prepared and prosecuted European patent applications related to software and electronics. He also worked extensively on community trademark oppositions and filing. Mr. Scotti attended European Patent classes at the University of Strasbourg, France, prior to passing the European Qualifying Examination.
Klarquist Sparkman, LLP, Portland, OR
IP Attorney | 1994 – 2003
Mr. Scotti was an Associate from 1994-2001 and a Partner from 2001-2003 before transitioning to Europe. His practice focused primarily on US patent prosecution and patent litigation. Additionally, he assisted on a large due diligence review.
Formation Inc., Moorestown, New Jersey
Member Technical Staff | 1988 – 1991
Designed digital hardware and software, including microprocessor-based systems. Programming languages include C, C++ and assembly language.
1994 – 2001, Associate
Intellectual Property Counseling, Licensing and Technology Transfer, Litigation, Outsourced "In-House" IP Counsel, Post-Grant USPTO Proceedings, Startups & Emerging Businesses, Trade Secrets
Mr. Siegel focuses his practice on all aspects of intellectual property litigation, including patent, trade secret, trademark, and copyright disputes. Mr. Siegel served as Klarquist’s managing partner in 2012 and 2013.
Prior to joining the firm, Mr. Siegel practiced general civil litigation. He has experience in all phases of litigation, including trials (bench and jury), pre-trial discovery, motion practice, and appeals. Prior to attending law school, Mr. Siegel gained experience in the software industry as an information systems consultant for Andersen Consulting.
Mr. Siegel has represented parties in patent and trademark cases involving a wide variety of technologies, including the following cases (represented party underlined):
Patents: Design, International, and Utility
Dr. Zhang’s practice includes the preparation and prosecution of US, international (PCT), and foreign patent applications.
Dr. Zhang specializes in electrical engineering and device physics fields, including RF circuit/system design, analog/digital and mixed-signal wireless communications including the LTE/5G and IEEE 802 standards, antennas, semiconductors, and computer hardware and software. Prior to joining the firm in 2016, Dr. Zhang worked at Intel where she was delegate to the 3GPP forum concerning LTE/5G technology and had a leading role in the development of RF portions of 5G. Dr. Zhang also contributed to RF transceiver modeling and bench testing procedures for digital RF transceivers, high volume manufacture of WiFi products, and regulatory compliance.
Intel, Hillsboro, OR
System Engineer | 2013 – 2016
RF Engineer | 2011 – 2013
MWG Module Quality & Reliability Engineer | 2010 – 2011
Agilent Technologies, Santa Clara, CA
Intern Hardware Engineer | 2007 – 2008
University of California at Davis, Davis, CA
Research Assistant | 2005 – 2009