MJ
Mário João Sá e Melo de Castro Marques
Portugal
Mário João Sá e Melo de Castro Marques is a trademark attorney at Mário João de Sá E Melo de Castro Marques in Portugal, Top Rated for national trademark work on the cumulative record, rated in a market of 9,264 firms filing in Portugal, strongest in Alcohol, Advertising and Education, acting for CASA JOSÉ LUÍS PEDRO, UNIPESSOAL, LDA, WINEBUSTERS, LDA and E-SOURCE UNIPESSOAL LDA.
Mário João de Sá E Melo de Castro Marques
Rated in a market of 9,264 firms filing in Portugal
Rating badgeGet embed code →
IPRATE.EUTop Rated
TRADEMARKS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · National · Cumulative (20y)Rating
High Confidence
Distinct Clients
106
Success Rate
95.8%
Volume100
Success85
Speed73
Durability54
Renewals81
Domestic54
Practice profile
Top classes
Alcohol(17%) · Nice 33Advertising(12%) · Nice 35Education(11%) · Nice 41
Top clients
- CASA JOSÉ LUÍS PEDRO, UNIPESSOAL, LDA
- WINEBUSTERS, LDA
- E-SOURCE UNIPESSOAL LDA
- CAVE CENTRAL DA BAIRRADA, S.A.
- TRENMO - ENGENHARIA S.A.