Step 1: Calculate the deadline to file your answer (if you were served). If you have been officially served with a Citation and Petition, there is a.Free deadline calculator to instantly calculate court dates and deadlines. Calculate deadlines with ease with this free date calculator. Holidays and more are built in to ensure you don't have to count days manually. The discovery rules explicitly encourage trial courts to limit discovery when "the burden or expense of the proposed. Need to calculate a filing date? Our online filing date calculator is easy to use and can help you get the job done quickly. This guide tells you how to respond or file an answer in a civil case in Texas. A free tool created to aid paralegals, legal secretaries, lawyers, their law firms and their clients from dropping the ball or missing important dates.