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ELSA MARIA MARTINS BARREIROS AMARAL CANHÃO

IPRATE RatedRATED

Lisbon, Portugal

ELSA MARIA MARTINS BARREIROS AMARAL CANHÃO is a patent firm in Lisbon, Portugal, Rated for national patent work on the cumulative record, one of 168 firms filing in Portugal, strongest in Measuring, Operations and Necessities, acting for YAZAKI CORPORATION, AMORIM & IRMÃOS, S.A. and ESPAÇO COORDENADO, LDA..

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Selected from 168 firms filing in Portugal

Rated 15 October 2026 · official records counted to 31 January 2026. Scoring counts filings from 1 May 2004 onward. Why.

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Confidence

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

Vertical
Track
Window

Performance

Patents · National · Cumulative (20y)

Rating

IPRATE RatedRATEDHigh Confidence

Archetype

Full-Service Generalist

Distinct Clients

22

Success Rate

65.2%

VolumeSuccessSpeedDurabilityRenewals (N/A)Domestic
Volume78
Success53
Speed66
Durability44
RenewalsN/A
Domestic20

Practice profile

Top classes

Measuring(9%) · IPC G01R 31/00 (2006.01)Operations(7%) · IPC B67B 1/04 (2006.01)Necessities(4%) · IPC A42B 3/00 (2006.01)

Top clients

  1. YAZAKI CORPORATION
  2. AMORIM & IRMÃOS, S.A.
  3. ESPAÇO COORDENADO, LDA.
  4. SOLVAY SA
  5. AMORIM CORK COMPOSITES, S.A.