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About me


I focus my practice on complex business litigation and transactional work including partnership disputes, franchise and fair dealership issues, theft of trade secret issues, copyright disputes and breach of fiduciary duty cases, among others. My practice also includes a substantial amount of contract drafting, business start-up work, and business succession and estate planning.



Practice areas


  1. Litigation: 50%
    1 year
  2. Business: 40%
    1 year
  3. Estate Planning: 10%
    1 year


Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Dera L. Johnsen-Tracy

    Cathleen Dettmann is a highly competent business law attorney. She handles these matters with extreme care and professionalism. I would recommend her services without hesitation.


    Dera Johnsen-Tracy Estate planning Attorney
    Relationship: Fellow lawyer in community

  • Chad E. Kemp

    I endorse this lawyer.


    Chad Kemp Estate planning Attorney
    Relationship: Fellow lawyer in community

Contact info

Haley Palmersheim Sc

1424 N High Point Rd Ste 202
PO Box 628005
Middleton, WI, 53562-8005


WIGood Standing200903/25/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarsSuper Lawyers2016
Member, Order of the CoifOrder of the Coif2009
Dean's Academic Achievement AwardUniversity of Wisconsin Law School2009
Cum LaudeUniversity of Wisconsin Law School2009
Work experience
TitleCompany nameDuration
AttorneyHaley Palmersheim, S.C.2009 - Present
Law ClerkDeWitt Ross & Stevens2008 - 2008
Lobbyist/Policy AnalystState Bar Of Wisconsin2004 - 2006
Lobbyist/Policy AnalystBroydrick & Associates, Inc.2002 - 2004
Association namePosition nameDuration
State Bar of Wisconsin, Solo and Small Firm SectionBoard of Directors2016 - Present
James E. Doyle Inns of CourtMember2014 - Present
State Bar of Wisconsin, Public Interest Law SectionBoard of Directors2014 - Present
Dane County Bar AssociationMember, Program Committee2009 - Present
Order of the CoifMember2009 - Present
State Bar of Wisconsin, Women Lawyers AssociationMemberN/A
Legal cases
Case nameOutcome
Construction DisputeVerdict for Plaintiff
Trust/Fiduciary LitigationVerdict for Trustee
See all legal cases 
School nameMajorDegreeGraduated
University of Wisconsin Law SchoolLawJD - Juris Doctor2009
University of Wisconsin, MadisonPolitical ScienceBA - Bachelor of Arts2000