- Doctor of Law, University of Rome, 1932;
- Doctor of Political Science, University of Padua, 1933;
- Cavaliere del Lavoro (Knight of Labour), 1969;
- Cavaliere di Gran Croce O.M.R.l. (Knight of the Grand Cross of the Order of Merit of the Italian Republic) and of a number of foreign orders
- Gold Medal of the Order of Merit of Education, Culture and Art, 1960.

Teaching, scientific and cultural activity
- Libero Docente of commercial law in 1935 and in charge with the same subject in the University of Perugia, from 1935 to 1938; Professor of commercial law and then of insurance law in the University of Rome, from 1939 to 1983;
- Dean of the Faculty of Statistical, Demographic and Actuarial Sciences, University of Rome, from 1954 to 1972;
- Emeritus Professor, University "La Sapienza", Rome, from 1983;
- President of the Associazione Amici dell'Accademia dei Lincei from 1986 to 2000 and then Honorary President;
- Dr. Jur. honoris causa, University of Hamburg, 1966;
- Honorary Professor of International Business, University of Southern California, Los Angeles, 1968;
- Honorary Professor of the American Institute for Foreign Trade, University of Phoenix, Arizona, 1968;
- Honorary Professor, Universidad Nacional de México, 1974;
- Member of the Insurance Hall of Fame, 1981;
- Founder and editor of the review "Assicurazioni", Rome, from 1934.
- Author of "Trattato del diritto delle assicurazioni private" (Treatise of Private Insurance Law), 3 volumes, 1952-56, and of "Manuale del diritto delle assicurazioni" (Insurance Law Handbook), translated in different foreign languages, and of many works of commercial, banking and insurance law.
- "Scritti in onore di Antigono Donati" (Essays in honour of Antigono Donati), volume realized by 150 scholars from all over the world, Paris, 1970;
- Celebrations for his 80 years: Accademia Nazionale dei Lincei, Salone d'onore of Palazzo Corsini and 8th AIDA World Congress, Copenhagen, 1990;
- The Library of INA - Istituto Nazionale delle Assicurazioni S.p.A. in Rome is dedicated to him in 1998.

Political, diplomatic and legislative activity
- Member of the Consulta Nazionale (National Consultative Assembly), 1945; member of the Costituente (Constituent Assembly), from 1946 to 1948; member of the first Parliament of the Italian Republic, from 1948 to 1953;
- Member of the Consiglio Nazionale dell'Economia e del Lavoro (CNEL - National Economy and Labour Board), from 1960 to 1989;
- Former President of the Comitato Nazionale Italiano per la Cooperazione Tecnico-Economica Internazionale (CNICTEI - Italian National Committee for International Technical and Economic Co-operation) at the Ministry of Foreign Affairs, from 1960 to 1967;
- Former President of the Comité de Coopération Technique (TECO - Technical Co-operation Committee) at the OCSE (ex OECD) in Paris, from 1963 to 1966;
- Founder and President of the Istituto per lo Sviluppo Economico (ISVE - Institute for Economic Development), from 1962 to 1977, and then Honorary President;
- Founder and President of the Istituto per la Documentazione e gli Studi Legislativi (ISLE - Institute for Legislative Documentation and Studies) from 1962 to 1978, and then Honorary President; International President of Association Internationale de Droit des Assurances (AIDA - International Association for Insurance Law), Luxemburg, 1960, and then President de iure and National President de iure;

Economic and financial activity
- Former President of the Istituto Nazionale per il Commercio Estero (ICE - Italian Institute for Foreign Trade), from 1965 to 1969;
- President of the Banca Nazionale del Lavoro, from 1967 to 1978;
- Member of the Board and of the Executive Committee of the Istituto Nazionale delle Assicurazioni (INA), from 1960 to 1977;
- Member of the Board and Executive Committee of Le Assicurazioni d'Italia (Assitalia), from 1960 to 1977;
- Member of the Board of Ufficio Italiano dei Cambi (Italian Exchange Office) in 1966 and 1967;
- Member of the Board of the Consorzio Nazionale per il Credito Agrario di Miglioramento (National Agricultural Improvement Credit Consortium), from 1969 to 1980;
- Member of the Board of the Credito Navale of IMI, from 1973 to 1976;
- Member of the Board of Associazione Bancaria Italiana (ABI - Italian Banking Association);
- President of Ente Finanziario Interbancario S.p.A. (EFIBANCA), from 1968 to 1985; Honorary President from 1986 to 1989; again President from 1989 and then Honorary President from 1992.