These sample forms may be useful when filing documents for the civil and family courts. If you have any questions, consult an attorney.Fill out the Pennsylvania mechanics lien form. Fill out the PA lien form completely and accurately. 1. All liens should be legible and typed. 2. Each page must be 8.5 x 11 in size. 3. The Court of Common Pleas of Allegheny County (Fifth Judicial District) consists of the following divisions:. Fill in the blank Claim of Mechanics Lien form formatted to comply with all Pennsylvania recording and content requirements. You will need one copy of the civil complaint with original signature for the magisterial district judge. Notice to Defend Form.