Sixty days means sixty days unless an extension is filed within the sixty day period (Koken, Sieger, Helfrick, Hoover).

Rule is not intended to expand pre-trial discovery nor allow discovery of credentials of “appropriate licensed professional” (Frunzi, Speicher).

If the complaint does not state it is a professional liability action, preliminary objections must be raised or defendant waives the right to demand a certificate of merit (Schiebel, Herrman).

Prothonotary may not enter judgment of non pros if the certificate of merit has been filed before defendant files the Praecipe for Non Pros (Boyd, Helfrick).

Defendants must raise lack of certificate of merit or requirement is waived (Shinko, Boyd).

An expert report was acceptable to the court as a substitute for a certificate of merit (Riggleman).

There is some disagreement about the effective date (Shinko, Riggleman).