Preparing an Information Disclosure Statement (IDS) can be stressful. The United States Patent and Trademark Office (USPTO) has very strict guidelines which must be followed precisely to avoid errors. Failure to adhere to these guidelines will result in additional costs and time spent in filing the Information Disclosure Statement (IDS). Often, errors are made due to changes in requirements made by the USPTO, failing to adhere to deadlines, and lack of providing adequate reference materials. While these mistakes can happen frequently, there are steps patent filers and intellectual property (IP) professionals can take to avoid errors. Below are some of the most common IDS-related mistakes made by patent filers and practitioners.