Yes - the mistake that burns people most is waiting on the city's insurance adjuster and missing Wyoming's notice deadline. For a claim against a city entity, the big number is usually 2 years to file a proper written notice of claim under the Wyoming Governmental Claims Act.

That is not the same as a normal injury claim.

If your brother was hurt at a City of Casper pool, rec center, sidewalk, bus, or other city-run property, Wyoming's government-claim rules can apply. Those claims have sovereign immunity limits, and they also require a very specific notice. A regular complaint to staff, an incident report, or an insurance call usually does not replace that notice.

The notice generally needs to be itemized and signed correctly, with the facts, injuries, and damages spelled out. In Wyoming, technical mistakes in government notices can wreck a case even when the injury is real.

For a Casper claim, people usually need to identify the right public entity fast:

• City of Casper for city facilities or employees
• Natrona County for county property or services
• Natrona County School District for school property
• The State of Wyoming for state agencies or property

Do this now while the facts are fresh: get the incident report, take photos of the scene, save texts and witness names, and collect records from Wyoming Medical Center if that is where he was treated. If he missed work, keep wage proof too. Wyoming has no state income tax, which can matter when lost wages are calculated.

Also, do not assume the summer setting makes it informal. A spring or summer injury at a public pool, park, bike path, or city street in Casper can still fall under the same government-claim rules.

The shortest safe answer is: yes, probably less time and different paperwork than a normal injury case.