Legal Question in Constitutional Law in Oklahoma

Give him written notice to put up a fence or put his dogs up. Then file in small claims and ask the court for money damages, ie cost of a fence.

After you have provided written notice of you intent to file suit if the owners of dogs do not restrain the dogs you also have the option of notifying the city pound and reporting the neighbor's failure to restrain them. This report can also be used in small claims court when seeking recovery of damages to your property.