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Areas of Practice
  • Electrical & Computers
  • Software & E-Commerce
IP Services
  • Portfolio Management & Analysis
  • Freedom To Operate
  • Opinions
  • Post-Grant Proceedings
  • Patent Prosecution
Bar Admissions & Associations
Representative Patents & Published Works
Classes/Speaking Engagements

Stephen C. Durant is a registered patent attorney and a Principal at Schwegman Lundberg & Woessner. He has written and prosecuted patents in a wide range of technologies including software, computers, electronic circuits, holography, MEMS, semiconductor manufacturing equipment, microprocessors, wired and wireless telecommunication devices, network architectures, database software, electronic design automation, disk drives, Internet software, motion picture animation, computer graphics processing and business methods. His practice is devoted to developing intellectual property portfolios aligned with business goals; enforcement and litigation strategy involving infringement, non-infringement and invalidity analyses, post-grant proceedings and reissues; IP due diligence directed to financing, mergers & acquisitions and licensing; working with business managers to maximize portfolio value; assessing, avoiding and responding to third-party IP threats; and providing legal opinions. His experience also includes advising companies on copyright, trademark, trade secret and licensing. He has represented numerous high-technology clients including start-ups, emerging companies, public companies and universities in technology-related IP issues. Steve held leadership roles in the formation of the patent prosecution practices at Wilson, Sonsini, Goodrich & Rosati in Palo Alto and later at Morrison Foerster in San Francisco. Steve was a partner at each of those law firms. Steve worked in-house at the Hughes Aircraft Company, Space & Communications Group, in El Segundo, CA in the mid 80’s. Mr. Durant is a graduate of Cornell Law School, J.D, 1981 and University of Notre Dame, B.S.E.E., 1978.


Cornell Law School
Ithaca, NY, 1981, J.D.

University of Notre Dame
Indiana, 1978, B.S.E.E.

Bar Admissions & Associations
Bar Admissions & Associations

Bar Admissions
U.S. Patent and Trademark Office

President (1995), Silicon Valley Intellectual Property Law Association
Arbitration/Mediation Committee, American Intellectual Property Association
San Francisco Intellectual Property Law Association
American Bar Association
Institute of Electrical and Electronics Engineers
Post Grant Committee, Intellectual Property Owners (IPO) Association
Representative Patents & Published Works
Representative Patents & Published Works

Representative Patents

U.S. Patent No. 9,859,915
RF Tuner with Blocker Detection and Noise Limited Region Recovery

U.S. Patent No. 9,514,248
System to Group Internet Devices Based upon Device Usage

U.S. Patent No. 9,497,713
Accurate Uplink Power Control for Comp and C-RAN

U.S. Patent No. 9,491,145
Secure Application Delivery System with Dial Out and Associated Method

U.S. Patent No. 9,509,604
Method of Configuring a System for Flow Based Services for Flash Storage and Associated Information Structure

U.S. Patent No. 9,437,752
Compact Memory Structure Including Tunneling Diode

U.S. Patent No. 9,405,810
Server Side System and Method for Search Backed Calendar User Interface

U.S. Patent No. 9,317,399
Policy Evaluation Based Upon Dynamic Observations, Static Analysis and Code Change History

U.S. Patent No. 9,207,951
Grouping with Frames to Transform Display Elements Within a Zooming User Interface

U.S. Patent No.  9,138,940
Winchester Print Head (Sept 22 2015)

U.S. Patent No. 9,049,482
System and Method for Combining Computer-Based Educational Content Recording and Video-Based Educational Content Recording

U.S. Patent No. 9,032,376
Static Analysis of Computer Code to Determine Impact of Change to A Code Component Upon a Dependent Code Component

U.S. Patent No. 9,015,831
Method and Apparatus for Static Taint Analysis of Computer Program Code

U.S. Patent No. 8,867,710
Messaging in a Hosted Private Branch Exchange

U.S. Patent No. 8,867,710
Messaging in a Private Branch Exchange

U.S. Patent No. 8,869,052
Context-Dependent Object Types in an Integrated Development Environment

U.S. Patent No. 8,489,699
Live Migration of Virtual Machine During Direct Access to Storage over SR IOV Adapter

U.S. Patent No. 7,667,948
Digitally Controlled Oscillator and Associated Method

U.S. Patent No. 7,596,770
Temporal Decomposition for Design and Verification

U.S. Patent No. 6,900,690
Low-Power High-Performance Integrated Circuit and Related Methods

U.S. Patent No. 6,888,372
Programmable Logic Device with Soft Multiplier

U.S. Patent No. 6,531,739
Radiation-Hardened Silicon-On-Insulator CMOS Device, and Method of Making the Same

U.S. Patent No. 6,457,362
Method and Apparatus for Diagnosing and Remediating Language-Based Learning Impairments


Published Works

Electronics and Software Patents, Law and Practice
Co-Editor, Third Edition, published by Bureau of National Affairs, Inc., Washington, D.C., 2012 (Co-editor of first edition, 1999 and second edition 2005)

Commerce Patents and Shifting Balances in Patent Law

IEEE Communications, July 2000

Patents in Cyberspace: Implications of Recent Federal Circuit Decisions

The Computer Lawyer, January 1995

Patents and Copyrights in Computer Software Based Technology: Why Bother With Patents?

The Computer Lawyer, February 1987

Classes/Speaking Engagements
Classes/Speaking Engagements
Software and Section 101: Finding Your Way Through Turbulence, Patent Prosecution

Panelist, IP Chat Channel, Intellectual Property Owner’s (IPO) Association, October, 2016

Software and Section 101: The Way Ahead

Panelist, IP Chat Channel, Intellectual Property Owner’s (IPO) Association, August, 2016

Patent Prosecution After Akamai: Exploring the Contours of “Control and direction”

Panelist, IP Chat Channel, Intellectual Property Owner’s (IPO) Association, October, 2015

Functional Claiming: Latest Developments

Panelist, IP Chat Channel, Intellectual Property Owner’s (IPO) Association, February, 2015

Functional Claiming: Latest Developments

IPO Chat Channel (Webinar), February 27, 2014

How to Effectively Prosecute AIA Post-Grant Proceedings

Co-Chair, Practicing Law Institute, San Francisco, October 2012  

Patentable Subject Matter Eligibility in the Aftermath of Bilski and Prometheus

Practicing Law Institute Patent Litigation, San Francisco, September 2012

Patent Litigation: In the Aftermath of In re Bilski

Practicing Law Institute, San Francisco, September 2009 & 2010 

Prosecuting a Patent That Holds Up in Litigation

Practicing Law Institute’s Patent Litigation 2005-2008, San Francisco

Fundamentals of Patent Prosecution 2008: A Boot Camp for Claim Drafting and Amendment Writing

Practicing Law Institute, 2008-2010

How Patents Can Protect Software – Practical Tips for Compiling a Software Patent Portfolio

Law Seminars International, San Francisco, August 6, 2004, Hosted by Indian Institute of Technology (IIT) and Industrial Research Consultancy Centre (IRCC)

Patenting Software and Computer Related Inventions

CII, Bangalore, India, March 2, 2004

Software Patents and IP Issues in the Internet

Federation of Indian Chambers of Commerce and Industry (FICCI), New Delhi, India, March 1, 2004

Software and Business Method Patents

Management of IP in Academia, February 26, 2004, Hosted by Indian Institute of Technology (IIT) and Industrial Research Consultancy Centre (IRCC)

Preparing Patent Legal Opinions: Opinions of Counsel as a Defense to Willfulness

Practicing Law Institute, San Francisco, October 2003

Patent Protection for Inventions that Use Mathematical Algorithms

Intellectual Property Section of the State Bar of California, November 6, 1993

Patent Protection for Computer User Interface Technology

Intellectual Property Section of the State Bar of California, Intellectual Property Tactics and Strategies for Software, May 18, 1990