Neil E. Cass: Lawyer with Duane Morris LLP

Neil E. Cass

Philadelphia,  PA  U.S.A.
Phone312 499 0113

Peer Rating
AV® Preeminent

Client Rating

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Practice Areas

  • Wealth Planning
  • Estate Planning and Administration
  • Trust Administration
  • Closely Held Businesses
Contact InfoTelephone: 312 499 0113
Fax: 312 277 2335
Law SchoolThe University of Iowa College of Law, J.D., 1977; University of Miami School of Law, LL.M., Estate Planning, 1980
Admitted1977, Iowa and Wisconsin; 1980, Illinois; 2002, Pennsylvania; 2010, Maryland; District of Columbia; Supreme Court of Illinois; Supreme Court of Pennsylvania

Board Memberships

•Board of Trustees of Flossmoor, Illinois, 1985-1989
•Baccalaureate Trust Authority of the State of Illinois, 1988-1989

Professional Activities

•American Bar Association
•Illinois State Bar Association
•Iowa State Bar Association
•State Bar of Wisconsin
•Pennsylvania State Bar Association
•Maryland State Bar Association
•District of Columbia Bar Association
•Chicago Estate Planning Council

BornCarthage, Illinois, January 8, 1952

Neil E. Cass advises clients on a broad variety of estate planning and estate and trust administration matters, including family limited partnerships, grantor retained annuity trusts, personal residence trusts, private foundations, supporting organizations and developing ownership succession plans.

He has also advised a variety of charitable organizations and individual and corporate trustees on a broad range of trust administration issues. Mr. Cass is a member of the American, Illinois, Pennsylvania, Iowa, Wisconsin, Maryland and District of Columbia bar associations and the Chicago Estate Planning Council.

A certified public accountant, he is a 1980 graduate of the University of Miami School of Law (LL.M., estate planning), a 1977 graduate of The University of Iowa College of Law, a 1977 graduate of The University of Iowa, where he received an MBA degree, and a 1974 graduate of the University of Puget Sound.


•Duane Morris LLP
- Partner, 2000-present
•Jenner & Block, Chicago, Illinois
- Partner, 1989-2000
•Licensed as a Certified Public Accountant in Illinois

Honors & Awards

•Legal Leaders: Chicago's Top Rated Lawyers 2013
•Since 2006, named to Leading Lawyers list for Illinois, a statewide list of attorneys recommended by their peers
• AV Preeminent Peer Review Rated by Martindale-Hubbell

Selected Speaking Engagements

•Speaker at numerous estate planning seminars and tax seminars

Selected Publications

•Co-Author, New Internal Revenue Code Chapter Fourteen Replaces Section 2036(c), Illinois Bar Journal, October 1991
•Co-Author, A New Burden for Fiduciaries, Trust and Estates, August 1987
A Primer on Estate Planning (Also at Chicago, Illinois Office)

Reported CasesRepresentative Matters: Reorganized a professional sports franchise to freeze the value for multiple generations.; Assisted clients in organizing, funding and operating numerous grantor-retained annuity trusts and personal residence trusts.; Assisted clients in organizing, funding and operating numerous family limited partnerships.; Assisted clients in making sales to defective grantor trusts.; Defended valuation discounts before the IRS.; Advised clients in connection with estate and trust litigation, including a trust holding more than one billion dollars in assets.; Advised clients regarding all aspects of estate and trust administration.; Advised clients in connection with obtaining private letter rulings from the IRS.; Developed business-succession plans and drafted complicated buy-sell agreements.; Assisted hundreds of clients to develop their estate plans and drafted the documents to implement them.; Counseled clients regarding estate planning, estate administration, trust administration, contested estate and trust matters, charitable giving, the creation and administration of charitable entities, ownership succession and closely-held business matters.

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#1,046 in weekly profile views out of 17,465 lawyers in Philadelphia, Pennsylvania
#102,587 in weekly profile views out of 1,722,821 total lawyers Overall

Office Information

Neil E. Cass

30 South 17th Street
PhiladelphiaPA 19103-7396


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