A Q&A guide to state law on basic contract principles and breach of contract issues in Pennsylvania common law. This guide addresses contract formation, types of contracts, general contract construction rules, how to alter and terminate contracts, and how courts interpret and enforce dispute resolution clauses. It also addresses the basics of a breach of contract action, including the elements of the claim, the statute of limitations, common defenses, and the types of remedies available to the non-breaching party. Answers to questions can be compared across many jurisdictions (see Contract Basics for Litigators: State Q&A Tool).