Ohio Attorney Professionalism Opposing Counsel Dos and Don’ts: The Supreme Court of Ohio has issued Professionalism Dos & Don’ts when working with opposing counsel and other lawyers. Many of the practices are common sense and common courtesy. Unfortunately, from time to time there are those that forget that professionalism can coexist with being a strong advocate for one’s client. The Dos and Don’ts can be found here—> Ohio Supreme Court Dos and Don’ts opposingCounsel (1)