Atty. John W. Schuster

Atty. John W. Schuster, MBA - Attorney & Owner

Our Attorney Featured in Wisconsin Lawyer Magazine

Atty. John W. Schuster, MBA is a top-rated attorney practicing in the Oshkosh, Wisconsin area, and is the owner of Caliber Law. John and his practice have been featured in multiple publications as being a thought leader in the legal industry, including in Wisconsin Lawyer Magazine, and he provides legal representation throughout Wisconsin on a variety of different issues. John uses his unique background of having both his law degrees and an MBA to give his clients smart and practical legal advice. John's clients say that they love working with John because of his accessibility and approachability, as well his ability to think clearly through any matter or controversy. John practices in the areas of Business Law, Real Estate, Litigation, and Trusts and Estates, and helps clients of all sizes reach and meet their goals.

On the business end, John enjoys working with both small and large businesses and understands the ins-and-outs of businesses, business disputes, and their needs. John serves as an unofficial board member on the board for many of his business clients, as they often use his advice and guidance on both the legal and business side to help their businesses succeed and grow. John has helped his business clients in their business governance, mergers and acquisitions, large-scale buy-outs, business transactions, private and bank financing transactions, and commercial and residential real estate transactions of all sizes. John also works with many start-ups to help and assist with all of their needs and set them up for success. John's unique background allows him to fully understand the unique dynamics, concerns, and needs of growing businesses.  

John likes to spend his free time with his wife, Annie Schuster, and their twin sons Mason and Colton. John is a fourth-generation Oshkosh business owner and comes from a long line of business owners and family-owned businesses in the Oshkosh and Fox Valley area. John has three older sisters - who are a pediatrician, an attorney, and an orthodontist - all in located in the Oshkosh / Fox Valley area. 

John and his practice at Caliber Law were featured in an article by Wisconsin Lawyer Magazine, acknowledging him as a leader in the legal industry. Link is below:



  • University of Wisconsin Madison – MBA, 2006
  • University of Iowa – J.D., 2004, Iowa Law Review
  • Boston College – B.A., 2001, magna cum laude, Phi Beta Kappa


  • U.S. District Court – Eastern District of Wisconsin
  • U.S. District Court – Western District of Wisconsin
  • State Bar of Wisconsin

Awards and Recognitions

  • Super Lawyers, Rising Star – 2013, 2014, 2015, 2016, 2017, 2018, 2019
  • Iowa Law Review – 2003

Professional Memberships and Activities

  • Wisconsin Governor's Business Plan Competition – Judge, 2014 to Present
  • Wisconsin Bar Association – Member
  • Winnebago County Bar Association – Member
  • Habitat for Humanity – Past Board Member, Past President
  • Oshkosh Area United Way – Past Board Member

Notable Publications

  • “Riding without a Helmet: Liability, Social Efficiency, and the More Perfect Wisconsin Compromise to Motorcycle Helmet Liability” – Iowa Law Review, Published Article 2004
  • Numerous legal and business articles written by John published in B2B Magazine

Lectures and Presentations

  • “Nuts & Bolts: The Practical Approach to Starting a Business” – Guest Lecturer, UW-Madison MBA Program, 2007 – 2010
  • “High-Growth and High-Risk Business: How to Protect Your Investment”

Recent Blog Posts


  • Simple, Easy, and Supported Us

    “John and his team at Caliber Law were beyond professional and helping us to sell our home. We were attempting to sell our home for sale by owner and the Caliber Law team collectively made the process simple and easy; and most importantly supported us along the way. My questions were answered tho...
  • Fantastic to Work With

    “John Schuster was a fantastic attorney to work with. He was there to answer tons of questions we had and helped in several different ways. This was a new venture for us, and we could have never pulled it off in the short time frame we had without the help of John. He helped with the securing not...
  • Professional and Knowledgeable

    "Our family contacted John in order to help us with a relatively complicated land sale, that we thought we could handle ourselves. After John took over for us it was made abundantly clear that I was in way over my head. John's tireless work ethic as well as extensive knowledge in real estate help...
  • Strongly Recommend

    “John Schuster was been our attorney for our electrical contracting company since 2006. He has drafted every contract, sub-contract, operating agreement, non-compete and confidentiality agreements we've ever had, and they've been bulletproofed. We have also had to have John represent us three tim...
  • Looks Out for Their Clients

    “John has help us so much through our private business, property purchase and estate planning. Caliber Law is truly a firm that looks out for its clients offering a vast variety of solutions. I would highly recommend Caliber Law for all of your legal needs."
  • Highly Recommend

    “John Schuster is a very knowledgeable and experienced attorney who really cares about his clients. John and the entire Caliber Law Team were very responsive, friendly and all around fantastic to work with. They did an excellent job of keeping us informed on our litigation matter and answering an...


Based in Oshkosh, Wisconsin and located in the center of the Fox Valley, we serve clients in the Oshkosh, Appleton, Fond du Lac, Green Bay, Waupaca, Wautoma, Ripon, Berlin, Green Lake areas among many other areas throughout the State of Wisconsin.