Attention to Detail
Christa is a member of the Litigation Practice Group of O’Neil Cannon Hollman DeJong & Laing S.C. She assists businesses and individuals with prosecuting and defending a variety of civil litigation matters, including complex contract disputes, trademark and copyright claims, inheritance disputes, class actions, personal injury cases, and fraud and conspiracy claims. As a former federal district court law clerk, Christa is intimately familiar with litigation and procedures in federal court. She has also litigated matters in state court, as well as resolved cases through mediation prior to litigation. Christa is well-versed in a wide range of legal issues, and especially enjoys litigating cases with disputes involving personal and subject-matter jurisdiction, testamentary capacity and undue influence, constitutional law, debt collection laws, contract formation and enforcement, and procedural and evidentiary rules.
Examples of Recent Cases
- Successfully represented multiple financial services companies and other businesses against Fair Debt Collection Practices Act and Wisconsin Consumer Act claims for debt collection activities, including putative class action claims, in the Eastern District of Wisconsin and in Wisconsin state courts.
- Assisted in obtaining dismissal of breach of contract and promissory estoppel claims against construction subcontract bidder in connection with the construction of a downtown Milwaukee high-rise office building on summary judgment, affirmed on appeal. C.G. Schmidt Inc. v. Permasteelisa N. Am., 825 F.3d 801 (7th Cir. 2016).
- Successfully represented clients in certified class action alleging that health plan administrators breached fiduciary duties by failing to administer health claims in a manner consistent with employee health plan language covering “usual, customary and reasonable” charges for out-of-network services in George v. CNH Health & Wealth Benefit Plan, et al., No 16-CV-1678-JPS (Eastern District of Wisconsin).
- Successfully obtained summary judgment ruling in dispute between former business partners over trademark use and alleged fraud, breach of fiduciary duty, and defamation in EastStar Solutions, Ltd., v. Owens, No. 16-CV-1551 (Eastern District of Wisconsin).
- Successfully represented small business pursuing claim against financial advisors for recommendation of ineffective tax strategy.
- Successfully represented employer by obtaining early dismissal of false imprisonment and intentional infliction of emotional distress claims by disgruntled former employee.
- Successfully represented numerous clients in personal injury matters, both through pre-suit settlements and through litigation.
- Judicial Law Clerk for the Honorable Joe B. McDade, U.S. District Court for the Central District of Illinois, 2012–2014
- Litigation Intern, Center for Responsible Lending, Washington, D.C., 2011
- Legal Intern, Legal Aid Society of Milwaukee, 2010
- Order of the Coif, honorary scholastic society for law students
- Phi Beta Kappa, academic honor society for undergraduates
- Certificate of Merit awards for highest grade in class in Contracts and Evidence courses at University of Michigan Law School
- Production Editor, Michigan Journal of Race & Law, 2011–2012
- Executive Editor, Michigan Journal of Environmental & Administrative Law, 2011–2012
- Wisconsin State Bar
- American Bar Association
- Milwaukee Bar Association
- Association for Women Lawyers, Director of Professionalism
- Member of Communications Committee of State Bar of Wisconsin
- Board of Directors for LOTUS Legal Clinic
- Volunteer Attorney at Milwaukee Justice Center
- Volunteer at Project Concern of Cudahy–St. Francis food pantry
- Mock trial judge for Wisconsin High School Mock Trial
- Member of St. Mark’s Lutheran Church in Cudahy, Wisconsin
- Speaker, “Freedom from Litigation: Personal Jurisdiction and Sovereign Immunity,” State Bar of Wisconsin PINNACLE Seminar “Annual Constitutional Law Symposium 2018,” December 2018
- Speaker, “Precision v. Concision: Can You Have it All?,” State Bar of Wisconsin PINNACLE Seminar “Know Your Writes: Next Level Legal Writing,” May 2017
- Speaker, “Regulation of Abortion Providers and the Impact of Whole Woman’s Health v. Hellerstedt,” State Bar of Wisconsin PINNACLE Seminar “With Liberty & Justice: A Constitutional Law Symposium,” December 2016
- Author, “Testamentary Capacity: A Sliding-Scale Approach,” Wisconsin Lawyer, September 2016
- Speaker, “The Impact of Judicial Law Clerks and Staff on State and Federal Court Proceedings,” O’Neil, Cannon, Hollman, DeJong & Laing, Hot Topics for Small Firm and Solo Practitioners seminar, October 2015
- Author, “The Constitutional Framework for Public Health Responses to Disease Outbreaks,” Health Law Litigation, American Bar Association Section of Litigation, Health Law Litigation Committee Newsletter, Spring 2015
- Co-Presenter, “Post-Trial Motions in Federal Court,” Peoria County Bar Association’s Federal Practice Seminar, July 2013
In the News
- Attorney Christa Wittenberg Wins 2019 Judge Terence T. Evans Humor and Creativity in Law Competition
- Debt Collection Safe Harbor May Not Be So Safe
- Rethinking Your Document Retention Habits while Spring Cleaning?
- Christa Wittenberg Published an Article in Wisconsin Lawyer Magazine
- O’Neil, Cannon, Hollman, DeJong & Laing S.C. Hosts Continuing Legal Education Seminar for Small Firms and Solo Practitioners
- Killoran Speaks at Texas Bill of Rights Conference
- Attorneys Wittenberg and Killoran Contribute to the American Bar Association Section of Litigation Health Law Litigation Newsletter