
PLMJ advises prominent technology, telecoms and media clients on compliance and regulatory matters, including the EU AI Act, data protection, and related litigation. The practice is led by Pedro Lomba, who brings extensive expertise in communications, media, and internet law, regularly advising on the regulation of tech and digital platforms, as well as mobility law and data protection mandates. Rita de Sousa Costa offers key support in tech, cybersecurity, digital platforms and media mandates, handling both contentious and non-contentious issues.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team distinguishes itself through excellence, professionalism, and profound legal knowledge, being composed of highly qualified lawyers with extensive experience in various areas of law. The commitment to quality service is evident in the personalised, rigorous, and strategic approach that each team member applies to cases, guaranteeing effective solutions aligned with clients' interests.'
- 'Among the most outstanding professionals, we highlight partner Pedro Lomba, whose strategic leadership and deep knowledge in this area have been decisive in highly complex projects. His proactive approach, ability to anticipate risks, and solution-oriented posture are aspects that distinguish him.'
- ‘Rita de Sousa Costa is a professional who stands out in media matters.’
- ‘The media team is very competent, having developed consistent and fruitful work, always responding to the most complex challenges.’
- ‘The firm delivers personalised, client-centred service, ensuring tailored solutions and transparent communication at every step. PLMJ provides an exceptional quality of service, making our experience efficient.’
Key clients
- TikTok
- Medialivre
- Vinted
- SIC
- Impresa Publishing (Impresa)
- Logicalis
- AAVI - Auto Estrada da Via do Infante
- Glovo
- H&M
- Angola Cables
- Pandora
- Microsoft
Work highlights
Advises Start Campus in relation to compliance with the EU Artificial Intelligence Act (AI Act).
Assisted the Portuguese Agency for Administrative Modernisation, in its capacity of coordinating body for all matters related to the AI Act in Portugal, in the conceptualisation and drafting of the draft-law implementing the AI Act in Portugal.
Assisted Microsoft by providing legal advice addressing the complex regulatory classification and compliance requirements for audio conferencing services across two Portuguese-speaking African jurisdictions, analysing whether the service constitutes an Electronic Communications Service (ECS) requiring telecoms licensing.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Pedro Lomba
Other key lawyers
Inês Dias Pinheiro; Rita de Sousa Costa
Comparative Guides
Comparative Guide
Data Protection & Cybersecurity
Portugal
Pedro Lomba, Inês Dias Pinheiro, Carolina Ventura, Mafalda de Brito Fernandes & Mafalda Sequeira Roldão
Comparative Guide
Blockchain & Crypto Assets
Portugal
André Abrantes, Ana Nunes Teixeira, Inês Dias Pinheiro & Carolina Campos Dias
Comparative Guide
Artificial Intelligence
Portugal
Pedro Lomba, Inês Dias Pinheiro, Nádia da Costa Ribeiro & Inês Cabugueira
Comparative Guide
Competition Litigation
Portugal
Rita Samoreno Gomes, Martim Valente, Ana Raquel Frada & João Prata Rodrigues

