Donald K. S. Petersen
- Senior Counsel
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I am former a Harvard Economics professor, Law School Professor, and Harvard Law School graduate who practices law with a sense of urgency. And I wrote a leading treatise on Secured Transactins that Westlaw features on-line.
My practice is split between handing commercial transactions and pursuing litigation.
My transactional experience ranges from representing the buyer of a $30 million art-auction house to representing the seller of a $50,000 piece of vancant property.
My litigation practice ranges from successfully representing one of the largest semi-conductor manufactors in the world in a lawsuit against a competeing semi-conductor manufacturor to representing a mother in a custody and child-support matter.
I'd be happy to provide more detail. Just send me an email or give me a call.
Areas Of Practice
- Commerfial Transactions 50%
- Litigaiton 50%
Honors and Awards
- Professor of the Year
- Professor of the Year
- Excellence in Legal Instruction
Bar Admissions
- Illinois, 1989
- Michigan, 1991
- Texas, 2014
Education
- Harvard Law School, Cambridge, Massachusetts
- J.D. - 1989
- Honors: cum laude
- University of Chicago, Chicago, Illinois
- B.S. - 1986
- Honors: summa cum laude
- Major: Economics
Professional Associations and Memberships
- Illinois State Bar Assocation, Member, 1989 to Present
- Michigan State Bar, Member, 1991 to Present
- State Bar of Texas, 2014 to Present
Past Employment Positions
- Several Law Firms, Attorney
- Cooley Law School, Professor, 2004 to 2013
Languages
- English
Classes and Seminars
- Contracts, 2026 to Present
- Secured Transactions, 2005 to Present
- Property Law, 2005 to 2013
- Negotiation, Mediation, etc., 2008 to 2013
- Anger Management, Retail Fraud, etc., 2019 to Present
Published Works
- Security Interests in Personal Property, 3rd Edition, Thomson Reuters/West, 2016
- Hidden Security Interests: A Secured Transaction When You Least Expect It, T.M. Cooley Journal of Pr. and Clin Law, v. 10, Issue 1, 2007
- Superhuman-Biotechnology’s Emerging Impact on the Law, Thomas M. Cooley Law Review, Vol. 24, No. 1, pp. 1–80 (2008) (with Marion Hilligan, Nelson Miller, and Chris Hastings).
- Raymond Nimmer, Commercial Asset-Based Financing (West, 2009), Chapter 6: “Foreclosure Sales & Disposition.”
- Raymond Nimmer, Commercial Asset-Based Financing (West, 2009), Chapter 7: “Recording and Perfection.”
- Raymond Nimmer, Commercial Asset-Based Financing (West, 2009), Chapter 8: “Priorities and Perfection.”
- Cyber Liability & Insurance, National Underwriter Company (2009), Chapter 1: “Understanding Intangible Assets.”
- Cyber Liability & Insurance, National Underwriter Company (2009), Chapter 2: “Valuation of Intangible Assets.”
- Review of The Consciousness of the Litigator by Duffy Graham, Journal of Markets & Morality, Vol. 9, No. 2, pp. 370–372 (2005) (with Nelson Miller).
- “Fred Lasher,” in Sock It to ’Em Tigers: The Incredible Story of the 1968 Detroit Tigers, Maple Street Press (2008).
- “Dan Petry,” in Detroit Tigers 1984: What a Start! What a Finish!, Society for American Baseball Research (2012).



