No, there is no limit. We suggest that you attach no more than 20 files per entry to ensure success with your filing. The more files that you attach will require more time to process. If your processing time goes past the 30 minute window, you will lose your entry and must begin again.
When you have a large number of PDF files to attach, select the appropriate event for your first entry and attached the first set of PDF files. For each subsequent set of PDF files, select the Notice of Filing event which will require you to link back to your original entry and allow you to attach your next batch of PDF files.