The cause of beatification was started in 1935.

The informative Process of Roermond (Netherlands) was opened on 28 November 1938.

The Decree on the Introduction of the Cause is dated 10 July 1942.

The Process of Trier (Germany)  – “super miris” – was opened on 18 January 1944.

The Extraordinary Congress on the virtues “in specie” was held on 10 October 1972 the Plenary Congregation on 28 November 1972.

The Decree on the Heroic Virtues was published on 10 May 1973.

The two Processes conducted in the Curia of Trier – “super miro ” – were declared valid by the Decree of 6 July 1973.

The special Congress of the Theological Consulters on the miracles was held on 14 January 1975; the ordinary Congress on 11 March 1975.

The Decree of Approval of the miracles, required for the beatification, was promulgated on 23 May 1975.

The Supreme Pontiff Paul VI proclaimed him Blessed on 19 October 1975.

         The case of the cure presented for the canonization regards the young girl, Pamela Avellanosa. The Diocesan Investigation was celebrated in the Apostolic Vicariate of Baguio (Philippines) from 25 June to 20 October 1999, and was recognized as valid by the Congregation for the Causes of the Saints on 7 April 2000.  

        During August 2000, also in the Apostolic Vicariate of Baguio, a Supplementary Investigation was conducted and declared valid on 17 November 2000.  

        The Medical Consultation of the Dicastery examined the case on 18 April 2002, and found that the cure of the “serious cranial-encephalic trauma with formation of an epidural hematoma on the right side, profound coma, central apnea, endocrinal hypertension and parietal fracture”, was rapid, complete, lasting and scientifically inexplicable.

        After this positive result, the Special Congress of the Theological Consulters was held on 18 October 2002, and the Ordinary Session of the Cardinals and Bishops on 19 November 2002.

        The Decree “super miraculo” was promulgated on 20 December 2002, in the presence of the Holy Father John Paul II.