Correct: I requested an extension of time to file my brief with the Seventh Circuit; however, the judge denied my motion, citing local rules.
Incorrect: The defendant failed to check her rear-view mirror before changing lanes, therefore she breached a duty owed to the plaintiff.
Correct: The defendant failed to check her rear-view mirror before changing lanes; therefore, she breached a duty owed to the plaintiff.
2. Use a comma, not a semicolon, to join two independent clauses separated by a conjunction (such as "and" and "but").
Also Incorrect:
3. Use commas to separate items in a list unless the list is so complicated that semicolons are required for clarity.
Correct: The first-year curriculum included courses in Torts, Contracts, Criminal Law, Legal Writing, and Justice.
Also Correct: