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Associate Attorney Victoria J. Kosobucki (“Tori”), Associate. Admitted to the Colorado State Bar and the Wisconsin State Bar.

Education: University of Wisconsin-Platteville (B.A. 2017) Marquette University Law School (J.D. 2021)
Member: Colorado Bar Association and Denver Bar Association.

 Ms. Kosobucki represents clients in family law, personal injury, and probate cases. In her family law practice, Ms. Kosobucki prides herself in being a strong and empathetic advocate for clients who are going through extremely difficult times. This ability makes Ms. Kosobucki an effective advocate for people going through a divorce or other family law matters. Additionally, Ms. Kosobucki’s experience in auto injury, ski injury, and premises liability help her provide excellent representation in her personal injury practice. While attending law school, Ms. Kosobucki excelled in her course work, achieving the CALI (highest grade) Award in both her Current Issues in Tort Law Seminar and Workers’ Compensation class. In addition to her course work, Ms. Kosobucki dedicated substantial time to pro bono work at the Milwaukee Justice Center’s Family Law Forms Clinic and was inducted into Marquette’s pro bono society in 2021. In her free time, Ms. Kosobucki enjoys hiking 14ers, skiing, and camping. Ms. Kosobucki joined Bloch & Chapleau, Cates, Ongert LLC as an Associate in 2022.

Trenton J. Ongert, Member. Admitted to the Colorado State Bar, U.S. District Court for the District of Colorado, and U.S. 10th Circuit Court of Appeals.

Education: Northwestern University (B.S. 2002)
University of Denver Sturm College of Law (J.D. 2005)
Member: Colorado Trial Lawyers Association, Colorado Bar Association (Past Trustee), and Denver Bar Association (Past Trustee, Past Chair of the Young Lawyers Division, Past President of the Community Action Network Committee)

The National Trial Lawyers Top 100

Colorado Bar Associate Leadership Training Class of 2015

Trenton J. Ongert

Mr. Ongert’s extensive litigation practice includes ski injury law, auto, motorcycle, and trucking collisions, insurance law, including bad faith, slip and falls, dog bites, construction defect, real estate, and contract disputes. He has successfully argued high-profile, precedent-changing injury cases to the Colorado Court of Appeals, Colorado Supreme Court, and United States Tenth Circuit Court of Appeals.

Mr. Ongert is recognized by the Colorado legal community for his expertise and experience litigating ski injury cases. Since 2015, he has taught ski law seminars through the Colorado Continuing Legal Education (CLE) program to attorneys in the Colorado and Denver Bar Associations. He has also been interviewed for news media stories on numerous occasions regarding skier injuries, skier safety, and ski area accountability. In fact, Mr. Ongert and Joseph Bloch have proposed legislation to hold ski areas more accountable for safety and for the reporting of injuries on the mountain, which will protect the rights of all snow riders.

Mr. Ongert spent the first five years of his legal career as an insurance defense litigator. He evaluated injury cases for, and from the perspective of, the insurance carriers. As a result, Mr. Ongert gained an in-depth understanding of the procedures, ploys, and strategies regularly utilized by insurance companies. This insight provides Mr. Ongert a unique advantage when advocating for his clients against the insurance industry. In addition to his civil litigation practice, Mr. Ongert regularly assists clients with probate matters and estate planning. Mr. Ongert also enjoys his family law practice where he assists his clients in all domestic issues and proceedings.

Mr. Ongert joined the firm in 2010, and became a Partner of Bloch & Chapleau, Cates, Ongert in January 2013. In his free time, he loves skiing with his family, playing tennis, hiking, and rooting for his sons in their various athletic, and non-athletic, endeavors. He also enjoys playing the piano and listening to 90’s West Coast rap.

 Mark D. Chapleau, Member, admitted to Illinois bar 1989, and Colorado bar, Federal District Court 1996. Education: University of DePaul (B.A. Music 1983); Northwestern School of Law, Chicago (J.D.1989). Member: Denver and Colorado Bar Association, Colorado Trial Lawyers Associations. Member since January 1999.

Mark has been practicing law for twenty years in both Illinois and Colorado. He practices primarily in the area of men's rights in divorce/family law, personal injury, and civil cases.  He has experience in both trial and Appellate courts. He practices out of both the Denver and Park Meadows offices. Mark is a member of the Colorado Bar Association Family Law section, volunteers for KUSA LawLine 9 answering family law questions and presented a family law clinic for the Denver's Mayor Office of Work Force Development for 5 years. He was a speaker at the 2007 and 2009 annual Colorado family law conference in Breckenridge.

Sara M. Cates, Member. Admitted to the Colorado State Bar and U.S. District Court for the District of Colorado.

Education: Stephen F. Austin State University (B.A. 2005) South Texas College of Law (J.D. 2008)
Member: Colorado Bar Association, Denver Bar Association, Colorado Women’s Bar Association, Metro Denver Interdisciplinary Committee
Honors: Super Lawyers Rising Star (2017-2023) Avvo Client’s Choice Award

 For the past fourteen years, Mrs. Cates has dedicated her practice to exclusively representing clients in family law cases including high conflict divorces, parenting time disputes, and appeals. Mrs. Cates’ divorce practice emphasizes cases that involve complex financial issues and high asset portfolios including business valuations, stock options, trust issues, tracing of assets and income, tracing and valuation of separate property claims, and spousal maintenance. Mrs. Cates also handles all aspects of child custody including establishment and modification of parental rights, relocation, parental alienation, parenting time restrictions, and grandparent rights.

Mrs. Cates also focuses on representing clients in same-sex relationships, and has published several articles in Out Front Magazine concerning Civil Unions, second parent versus same parent adoptions, and the changing landscape of same sex marriage in Colorado.

Mrs. Cates joined the firm as an Associate Attorney in 2008 and became a Partner of Bloch & Chapleau, Cates, Ongert in January 2013. As a parent herself, Mrs. Cates is focused on guiding her clients through one of the most difficult times in their life with honesty and compassion. Mrs. Cates understands that frustration and anxiety sometimes cloud even the most logical person in a divorce. She strives to provide a realistic, calculated, yet compassionate approach to guide them through this significant life change. Mrs. Cates is highly regarded by her peers for maintaining the upmost level of professionalism while being an aggressive advocate for her clients. This recognition from her peers led to her being nominated as a Super Lawyers Rising Star for the last 7 consecutive years and running.

In her free time, Mrs. Cates and her family love to spend time in the beautiful scenery Colorado has to offer including camping, 4-wheeling, boating, snowmobiling, and ice fishing. While snow sports are foreign to this native Texan, she is proud to boast that her son (a native Coloradoan) is a two-time champion of the 3-Lakes Ice Fishing Tournament’s children’s division.

Joseph D. Bloch, Member. Admitted to the Colorado State Bar, U.S. District Court for the District of Colorado, U.S. 10th Circuit Court of Appeals, and U.S. Supreme Court.

Education: University of Colorado (B.S. Business/Finance 1983)
California Western School of Law (J.D. 1987)
Member: Colorado Trial Lawyers Association, American Trial Lawyers Association, MDICC, American Bar Association, and Family Law Section.
Honors: Million Dollar Advocates Forum – Awarded only to attorneys who have won million dollar verdicts and settlements The National Trial Lawyers Top 100

Mr. Bloch is the Founding Member of Bloch & Chapleau, which was founded more than 35 years ago in 1987. He maintains a diverse practice specializing in ski accidents, personal injury, recreational injuries, auto and motorcycle accidents, business law, and civil litigation. Mr. Bloch has over 35 years of litigation experience representing clients in trials and appeals in both state and federal court. He also maintains an active practice with offices in Denver, as well as in the Vail Valley and Summit County.

Mr. Bloch has represented thousands of injured clients, including people who have been seriously injured in car and motorcycle accidents, ski injuries, and dog bites. He has successfully received jury verdicts where punitive damages were awarded against large corporations for bad conduct including Vail Resorts and State Farm. In Lacerra vs. State Farm the jury found that State Farm committed outrageous conduct against his client. Mr. Bloch also obtained a punitive damages award against Vail Resorts in a chair lift injury case, Aarons v. The Vail Corporation, Inc., which is the only time a jury has assessed punitive damages against Vail Resorts in Colorado to date.

In the past few years, Mr. Bloch has been actively proposing legislation that will hold ski areas more accountable for safety and for the reporting of injuries on the mountain, which will protect the rights of snow riders. His proposed legislation is aptly titled “The Fox Guarding the Henhouse.” Mr. Bloch has been interviewed extensively in the media regarding this issue because it is so important to all Coloradoans who enjoy skiing.

Mr. Bloch is an accomplished skier and snowboarder. He has previously ski raced in the U.S. and Europe, as well as being a professional mogul skier and competing in extreme skiing competitions. As a result, Mr. Bloch has a comprehensive and intuitive understanding of ski and snowboard injuries. He personally investigates all of his ski injury cases by going to the collision sites where his clients were injured. Mr. Bloch has collected millions of dollars for injured snow riders. He has been riding motorcycles for over 40 years, and has also been a professional guide for rafting companies and for his bike tour company, Mile High Bike Tours. Mr. Bloch is a recognized Sifu (teacher) of Wing Chun Kung Fu who has studied martial arts and healing arts for over 40 years.

   The National Trial Lawyers

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Attorney Joseph D. Bloch Skiing in Colorado is a Vail Colorado personal injury law firm. Our main offerings include: Injury Attorneys, Accident Attorneys, Ski Injury Attorneys, and Auto Accident and Motorcycle Accident Lawyers.

We serve the following Colorado locations:
Vail, Edwards, Eagle, Eagle-Vail, Glenwood Springs, Avon, Breckenridge, Dillon, Keystone, Silverthorne, Frisco, Aspen, Snowmass, Winter Park, Kremmling, Basalt, Gypsum, Minturn, Red Cliff, Grand Lake, Granby, Eagle County, Summit County, Pitkin County, Grand County

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