SB01 Declaration for Utility or Design Patent Application
SB25 Terminal Disclaimer to Obviate a Provisional Double Patenting Rejection over a Pending Second Application
A fillable PDF form is a PDF file that contains fillable form fields. Someone using either the full version of Acrobat 5.0, or Acrobat 6 Professional must add these. Once a PDF has fillable form fields, anyone using Adobe Reader, Adobe Approval, or Adobe Acrobat will be able to fill out the information on that PDF.
The USPTO has also updated or added various other nonfillable PDF forms. Why all of the forms aren't fillable is beyond me. It is relatively easy to add the form fields to the image. In fact, I would be pleased to convert any of the USPTO's nonfillable form to a fillable format which is useable by clients at no charge.