
DLA Piper ABBC ‘stands out for its experience in the aviation industry’, focusing on transactional matters, dispute resolution and regulatory work. The practice is led by António Moura Portugal, a highly regarded lawyer with broad expertise across multiple jurisdictions and a key contact for airlines and aviation authorities. Inês Teixeira specialises in regulatory matters and provides ongoing support to several prominent European airlines. Stéphanie Sá Silva, drawing on her in-house experience at a major domestic airline, advises on complex aviation matters while also offering insights into the rail sector. Catarina Portela Morais excels in aviation disputes.
Testimonials
Collated independently by Legal 500 research team.
- 'The firm stands out for its experience in the aviation industry.'
- 'The lawyers are professional and provide a high-quality service.'
- 'António Portugal and Inês Teixeira are always available and empathetic.'
- 'Both António Moura Portugal and Stéphanie Sá Silva led the process in which we were involved in a very assertive and knowledgeable way, which gave us the necessary guarantees that the work would be done well, in a rigorous and dense way.'
- 'Stéphanie Sá Silva, in addition to her extraordinary work capacity, is able to interpret very quickly the context in which the client operates and positions itself, contributing to the definition of possible strategies for approaching the different issues with a balanced articulation between the purely legal component and the business component.'
- 'DLA Piper ABBC has a high and rapid capacity to respond to the various analyses and opinions requested of it, combining intuition and understanding of the fundamental factors of the client's business that go far beyond an exclusively legal vision. In addition, they show particular attention, without charging specific fees, by providing constant information on what is happening in the sector in which the client operates.'
Key clients
- Air France / KLM
- Lufthansa
- NetJets
- Turkish Airlines
- EasyJet
- Emirates
- Wizz Air
- Swissport
- British Airways
- TAP Portugal
Work highlights
- Represented Netjets, Euroatlantic Airways, TAP and Sata in the challenge against the AOC charge levied by the regulator ANAC, between 2019 and 2023, to annually verify the AOC requirements.
- Represented TAP, Eurowings, Cabo Verde Airlines, Turkish Airlines, Azul Linhas Aéreas Brasileiras and easyJet as counter-interested parties in a lawsuit between ANA – Aeroportos and ANAC (the Civil Aviation Authority).
- Represented TAP, easyJet, Ryanair and Lufthansa in the judicial challenge of the 2023 and 2024 airport charges increase based on violation of the Portuguese Airports Concession Agreement.
Lawyers

Practice head
The lawyer(s) leading their teams.
António Moura Portugal