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About me

Shamus B. Cassidy is the founder and manager at Cassidy Law, Ltd. Shamus concentrates his practice in the areas of estate planning, disability/special needs planning, probate, elder law, taxation, asset protection, corporate, business, and real estate matters.  Shamus also serves as counsel to the receiver in receiverships involving businesses and/or real estate.  Concerning his business practice, Shamus represents small to medium-sized business entities and other organizations in a variety of industries and professions, including many family businesses, restaurants, dental/medical practices, and franchises. This work includes all business areas: formation, choice of entity, structure, management, acquisition, sale, merger/consolidation, taxation, franchise law (representing both franchisees and franchisors), intellectual property (including trademark/service mark and trade name filings), labor and employment, commercial loan workouts/restructuring, general business planning, and other transactional and litigation-related needs. As a part of his general business practice, Shamus utilizes his estate and succession planning experience to meet his clients' business, retirement, and estate planning goals, seamlessly transitioning a business to the next generation of owners/operators. Shamus received his law degree from Capital University Law School (J.D., magna cum laude) and his bachelor's degree from The Ohio State University (B.A., magna cum laude). Shamus is a member of the Columbus and Ohio State Bar Associations.


Practice areas


  1. Business: 35%
    8 years, 850 cases
  2. Probate: 20%
    8 years, 120 cases
  3. Estate Planning: 20%
    8 years, 550 cases
  4. Intellectual Property: 10%
    8 years, 100 cases
  5. Other: 15%
  6. More 



Hourly ($165-250/hour), Fixed (sometimes), Retainer (sometimes)

Payment types:

Cash, Check

Attorney endorsements

8 total 

Are you an attorney? Endorse this lawyer

  • Nicholas Eugene Eusanio

    Shamus is a great lawyer who understands his clients' needs, has very strong legal knowledge and technical skill, and is honest and trustworthy.


    Nicholas Eusanio Tax Attorney
    Relationship: Fellow lawyer in community

  • Daniel Francis Zigray

    I strongly endorse this lawyer. I have worked with Shamus on contested probate cases and have found him to be very knowledgeable in probate and estate matters. He is creative in crafting solutions to difficult issues and maintains the highest ethical standards.


    Daniel Zigray Probate Attorney
    Relationship: Worked together on matter

Contact info

Cassidy Law, Ltd

7650 Rivers Edge Drive, Suite 101
Columbus, OH, 43235-1342


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top LawyerColumbus C.E.O. Magazine2016
Client Distinction AwardMartindale-Hubbell2015
Preeminent 5.0 out of 5Martindale-Hubbell2015
Law Review and top 10% of classCapital University Law School2007
Award for highest grade in Property I and Estates & TrustsCALI Excellence for the Future2005
Work experience
TitleCompany nameDuration
ManagerCassidy Law, Ltd2014 - Present
AttorneyKohler & Smith Co., LPA2010 - 2014
AttorneyIsaac, Brant, Ledman & Teetor, LLP2007 - 2010
Law ClerkBarkan Neff Handelman Meizlish, LLP2006 - 2007
Association namePosition nameDuration
Worthington Estate Planning CouncilMember2014 - Present
Columbus FoundationProfessional Council2014 - Present
Northwest Area ProfessionalsSocial Chair2011 - Present
Catholic Foundation of ColumbusProfessional Advisers Committee2010 - Present
Columbus Bar Association (Business Tax, Intellectual Property / Tech Law, Real Property, Probate, and Estate Planning and Trust Committees)Member2008 - Present
Ohio State Bar AssociationMember (Tax, Elder/Special Needs & Corporation Law Committees)2006 - Present
BNIMembership Committee2009 - 2011
Legal cases
Case nameOutcome
Amy Lynn Marshall, et al v. ACME Enterprises, Inc., Franklin County Court of Common Pleas Case No. 08 CV 016817Satisfactory Settlement
Jennifer Rogers v. Morrison Sign Company, Inc., Franklin County Court of Common Pleas, Case No. 08 CVH 08 11129N/A
Salt Creek Valley Enterprises, Inc. vs. Liberty Union Group, LLC, et al., Pickaway County Court of Common PleasN/A
See all legal cases 
Publication nameTitleDate
Wesbanco Education series and Trust WorkshopOhio Legacy Trusts2015
Kohler & Smith's Legal BlogLike Many Other Deceased Musicians, Whitney Houston’s Estate Stands To Continue Earning Income2012
Kohler & Smith Legal BlogCharging Orders and a Settling of Ohio LLC Law2012
Kohler & Smith's Legal BlogCan’t Contribute Directly To A Roth IRA? Don’t Worry, You Can Still Make Roth Contributions2012
Kohler & Smith's Legal BlogIRS Releases 2013 401(k) Limits & Gift Tax Exclusion Amount2012
Kohler & Smith's Legal BlogThe Importance of Asset Protection2011
Kohler & Smith's Legal BlogThe Importance of Buy-Sell Provisions in Business2010
Capital University Law ReviewVolume 362007
Capital University Law ReviewVolume 352006
School nameMajorDegreeGraduated
Capital UniversityN/AJD - Juris DoctorN/A
Speaking engagements
Conference nameTitleDate
WesBanco Trust WorkshopOhio Legacy Trusts2015
Ask a Lawyer Night - The Annunciation Greek Orthodox CathedralEstate planning and charitable contributions2015
Principal Education SeriesEstate Planning for Small Business Owners2014
Friday Speaker SeriesCommon End of Life Issues and Estate Planning2013
Edward Jones education seminarMedicaid spend down and Elder Law2013
Quarterly PresentationBusiness Planning: Buy-sell issues, tax structure and owner asset protection2012
NAP speaker seriesMedicaid Planning and Elder Law2012
NAP speaker seriesEstate Planning for Married Couples2011
Catholic Diocese of Columbus Estate and Financial Planning SeminarComplex Estate Planning - Beyond the Basics2011
Nap Speaker seriesEstate Planning and Probate2010
Estate Planning for 2010Estate Planning in Uncertain Times2010
Estate Planning BasicsThe use of trusts in your estate plan2010
Hilliard Bradley High School Transition NightSpecial Needs Trusts and Guardianships2009