Legal blog

  • March 19, 2026 · mesadvocats

    Does Your Company Comply with Artificial Intelligence Regulations in 2026? The Legal Guide You Need Before Using AI (and How to Pass a Compliance Audit)

    There is a kind of legal risk that slips in quietly. It doesn’t arrive with a formal notice, a lawsuit, or a takedown request. It arrives earlier—when a company starts using artificial intelligence “like installing a new app”: to draft copy, automate replies, screen candidates, design visuals for campaigns, generate videos, summarize contracts, or even create music and voice-overs. Everything works… until someone asks the uncomfortable question: “Are we compliant?”

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  • February 17, 2026 · Lucas Charnet

    The 5 Most Common Mistakes When Using Copyright and Intellectual Property (and How to Avoid Them)

    Imagine spending four years preparing an Olympic routine to a specific piece of music—and then, just days before competing, being told you can’t use it because you don’t have the copyright clearance. That is what happened to Spanish figure skater Tomás Guarino ahead of the Milano Cortina 2026 Winter Olympics: he had to change his program due to rights issues in an event with international broadcast coverage.

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  • January 12, 2026 · mesadvocats

    Approval of the Information Return for Short-Term Leases: Practical Keys to Order VAU/1560/2025

    The publication of Order VAU/1560/2025 of 22 December by the Ministry of Housing and Urban Agenda makes it possible to comply with one of the obligations established for landlords or hosts under Royal Decree 1312/2024 of 23 December , specifically the obligation to file the annual information return, as set out in Article 10.4 thereof.

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  • January 2, 2026 · Amaia Forcada

    The reform of seasonal and room rentals in Catalonia | Approval of the Law 11/2025, of 29 December, on measures relating to housing and urban planning

    The Parliament of Catalonia has passed Law 11/2025, of 29 December, on measures relating to housing and urban planning , which was published in the Official Gazette of the Government of Catalonia on 31 December 2025 and entered into force on 1 January 2026.

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  • December 22, 2025 · Amaia Forcada

    Compensation for landlords and property owners in the event of the suspension of eviction, who may apply and how to do so

    The extraordinary suspension of evictions, regulated by Royal Decree-Law 11/2020 of 31 March , has caused economic harm to many landlords and property owners. In order to compensate for this situation, the regulations recognise the right to apply for financial compensation when the Public Administration fails to provide a housing alternative within the established timeframe. In this article we explain who may apply, what may be claimed and until when.

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  • December 17, 2025 · Neus Vallara

    What Is a Large Property Holder under Law 12/2023 on the Right to Housing and How This Concept Has Been Defined in Stressed Residential Market Areas

    The definition of large property holder that some Autonomous Communities have tailored in their declarations of stressed residential housing market areas, pursuant to the powers conferred on them by Law 12/2023 of 24 May on the Right to Housing , has given rise to certain doubts.

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  • November 27, 2025 · Neus Vallara

    What is real estate Due Diligence and why it is essential before purchasing a property

    Real estate Due Diligence —also referred to as a legal audit of the property—is an essential process for any investor, fund, family office or entity seeking to acquire a real estate asset with full legal certainty.

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  • November 24, 2025 · Lucas Charnet

    Publishing contract: key legal aspects for authors and publishers

    {:es}Claves del contrato editorial, cláusulas mínimas y errores comunes. Cuándo acudir a un abogado especialista en contratos editoriales.{:}

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  • October 29, 2025 · Lucas Charnet

    Halloween, the Chestnut Festival and the annual spike in filings: a legal approach to protecting trademarks, designs and seasonal creations

    As autumn sets in—leaves falling and air turning crisp—the friendly rivalry between Halloween and the Chestnut Festival (“Castanyada”) returns. The former, largely imported through the Anglo-Saxon audiovisual machine—films, series and campaigns arriving from the United States and the United Kingdom—dominates shop windows and social feeds with costumes, pumpkins and an inexhaustible visual universe; the latter preserves its family tone with roasted chestnuts and panellets . Beyond aesthetics and tradition, however, lies a reality that often goes unnoticed yet directly impacts business: this period concentrates the largest annual spike in intellectual and industrial property filings. Why does Halloween—with its commercial plasticity and rapid product turnover—multiply registrable trademarks, designs, works and technical solutions? What should you protect, when should you do it, and how can you avoid conflicts in the middle of the season? In this article, we explain.

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  • October 28, 2025 · Neus Vallara

    Acquisition of Non-Performing Loans (NPL) and Real Estate Owned (REO) Properties with Specialized Legal Advice

    Discover profitable NPL and REO investment opportunities in Spain with full legal security and expert advice from MES Advocats.

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