IPRATE
AM

Alberto Martins d'Alte

IPRATE SelectSELECT

Porto, Portugal

Alberto Martins d'Alte is a trademark firm in Porto, Portugal, rated Select for national trademark work on the cumulative record, one of 9,250 firms filing in Portugal, strongest in Healthcare, Appliances and Transport, acting for SINDICATO DOS BANCÁRIOS DO NORTE, IBERVAC - SISTEMAS DE ASPIRAÇÃO, LDA. and DOMINGOS COSTA.

Next step: Counsel lookup·Commissioned analysis

Selected from 9,250 firms filing in Portugal

Rated 6 October 2026 · official records counted to 31 January 2026. Scoring counts filings from 1 May 2004 onward. Why.

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Confidence

Good Confidence. The published tier reflects the selected country, vertical, track, and time window.

Vertical
Track
Window

Performance

Trademarks · National · Cumulative (20y)

Rating

IPRATE SelectSELECTGood Confidence

Distinct Clients

5

Success Rate

50.0%

VolumeSuccessSpeedDurabilityRenewalsDomestic
Volume63
Success45
Speed45
Durability48
Renewals58
Domestic63

Practice profile

Top classes

Healthcare(60%) · Nice 44Appliances(10%) · Nice 11Transport(10%) · Nice 39

Top clients

  1. SINDICATO DOS BANCÁRIOS DO NORTE
  2. IBERVAC - SISTEMAS DE ASPIRAÇÃO, LDA.
  3. DOMINGOS COSTA
  4. PUBLIDUPLO - MARKETING E PUBLICIDADE, LDA.
  5. SENTIDOS RURAIS