Experienced Wisconsin Trial and Appellate Attorney
Big City Legal Services in a Rural Setting
At the Law Offices of Mark E. Sostarich, in Elkhorn, Wisconsin, we have represented clients for over 29 years as trial counsel in a broad array of civil matters, at the both trial and appellate levels. We can also represent your corporation in any of the stages of litigation. We are frequently hired by other lawyers who need experienced counsel to handle trial or appellate work. We also represent our own clients in family law and civil litigation claims. Contact us to learn how we can help you and your clients solve any of these types of legal concerns.
At our offices, our attorney is integrally involved with all aspects of your case, from the beginning of the attorney-client relationship through the final resolution of your claim. We have litigated claims in state and federal courts throughout Wisconsin, from the Wisconsin Court of Appeals and the Wisconsin Supreme Court to the District Courts for the Eastern and Western Districts of Wisconsin and the Seventh Circuit Court of Appeals. Mark E. Sostarich has also represented clients in the Illinois Court of Appeals. We have represented clients at all stages in the process of a lawsuit, from bringing a claim to the appeal of a decision or ruling. We have handled intellectual property matters before the Trademark Trial and Appeals Board, served as local trial counsel for countless clients from other states, and handled a number of class action lawsuits.
We have represented savings and loan organizations as well as other banks and financial institutions, computer manufacturers, large publishing companies and other multinational corporations, as well as pro bono clients in family law matters. Attorney Sostarich has also sued a major media organization in a class action lawsuit which resulted in a multi-million dollar settlement. Many of our clients are referred to us by former colleagues of attorney Mark E. Sostarich.
Specific types of claims that we have handled include:
- Contract disputes
- Employment law issues, including discrimination
- Construction site defects
- Eminent domain and contested takings
- Will contests and probate disputes
- Contested bankruptcy proceedings
- Real estate matters
- Class Actions
- Appeals
- Misrepresentation and fraud
- Theft of contractor
- Professional licensing disputes
- Administrative agency appeals
- Election law
At the Law Offices of Mark E. Sostarich, in Elkhorn, we offer experienced legal counsel to clients throughout Wisconsin. We accept MasterCard, Visa and Discover and offer flexible billing arrangements based on your ability to pay. We are available to clients 24 hours a day and are available for offsite appointments. If you have issues that need to be resolved at either the initial stage of a lawsuit or help with an appeal of a decision, ruling or verdict, contact us to schedule a free initial consultation.
Referrals Welcomed.
AV-Rated under Martindale-Hubbell's Peer Review Rating System*
Law Offices of Mark E. Sostarich
6 S Church St
Elkhorn, WI 53121-1708
Office: 262-723-5041
Home: 414-762-3374
Fax: 262-723-5141
Map of Elkhorn Office Location

