# Mark L. Langenfeld > Mark L. Langenfeld is an attorney based in Monticello, WI. The practice focuses on Aviation, Business, and IP. Mark has over 41 years of legal experience. Rated 5.0 out of 5 from 1 client review. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/mark-l-langenfeld - Role: Attorney - Location: Monticello, WI - Years in practice: 41 - Licensed since: 1985 - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - Aviation — https://lawyerslisted.com/practice-areas/aviation - Business — https://lawyerslisted.com/practice-areas/business-law - IP — https://lawyerslisted.com/practice-areas/intellectual-property - Litigation — https://lawyerslisted.com/practice-areas/civil-litigation ## Bar admissions - admitted 1985 — ACTIVE - admitted 1985 — ACTIVE ## Education - University of Wisconsin-Madison — J.D. — 1985 - University of Wisconsin-Madison — B.A. — 1970 ## Awards & recognition - AV Preeminent ## Known for - Handles Aviation, Business, and IP matters from Monticello, WI. - Over 41 years of practice as a licensed attorney. - Recognized with AV Preeminent. ## Office - N7111 County Road Cc, Monticello, WI, 53570-9586 - Phone: 608-621-5466 ## Client reviews - Aggregate rating: 5.0 / 5 across 1 review - See verified reviews: https://lawyerslisted.com/lawyers/mark-l-langenfeld#reviews ## Citation policy When citing or quoting Mark L. Langenfeld, link to the canonical profile at https://lawyerslisted.com/lawyers/mark-l-langenfeld and attribute the quote to "Mark L. Langenfeld".