Anton Kosilov

Lawyer
ANTON KOSILOV SEMIK
ANTON KOSILOV SEMIK

Anton Kosilov Semik focuses his practice on M&A transactions, advising on acquisitions and disposals of companies, mergers, spin-offs, and restructurings, having specialized in resolving complex legal issues in the corporate field. He coordinates Due Diligence processes, leads the negotiation and drafting of contractual documentation, and supports clients throughout all stages of the transaction until closing, addressing acquisition structures, shareholders’ agreements, internal reorganizations, and related financing transactions. He also advises on real estate law matters, as well as intellectual and industrial property.

He also has experience advising SOCIMIs and in capital markets matters, having participated in various processes of admission to trading on the multilateral trading facilities of BME, Euronext, and Portfolio.

He conducts his professional activity in Spanish, Russian, and English.

  • Law Degree, University of Murcia (2014–2018).
  • Master’s degree in legal Practice, University of Alicante (2020–2022).
  • Member No. 9,000 of the Alicante Bar Association (ICALI).
  • Best Lawyers: Ones to Watch in Spain 2025, category “Corporate and Mergers and Acquisitions Law.”
  • “Iberian Lawyers Forty Under 40” 2023, nominated in the categories of “Capital Markets,” “Insolvency & Restructuring,” and “M&A.”
Real Estate Law, Blog
Fondo oscuro

Potential property encumbrances when buying a home: key considerations for a secure purchase with no unpleasant surprises

Purchasing or selling a property is one of the most significant transactions an individual is likely to undertake during their lifetime. Although the process may appear straightforward, it is surrounded by a range of legal, financial and contractual risks which, if not properly identified and managed, may have serious consequences. One of the most critical […]
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Company Law, Blog
supplement to the notice

Limits on the right to request a supplement to the notice convening a general meeting

Judgment No. 140/2026 of 15 April delivered by the Madrid Provincial Court addresses one of the issues most frequently arising in connection with the convening of a general meeting of shareholders: the extent of the review that the management body may undertake where a minority shareholder requests a supplement to the notice convening a general […]
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Company Law, Blog
Sociedades profesionales

Right of withdrawal in professional partnerships

In professional partnerships, the right of withdrawal for partners operates differently from that in other capital companies. This difference is not due to a technical issue, but rather to the very nature of this type of entity: whereas in capital companies the financial element predominates, in professional partnerships the partner’s essential contribution is their personal […]
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Company Law, Blog
diseño-industrial

Industrial design: the legal tool that protects your products against copying

In an increasingly competitive global market, safeguarding the aesthetic appearance of products is just as important as protecting their functionality or their brand. Industrial design is a legal right that grants businesses exclusive protection over the external appearance of a product, preventing third parties from imitating it or marketing copies without authorisation. For this reason, […]
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Company Law, Blog
La importancia de las cláusulas de no competencia en la compraventa de empresas

The importance of non-compete clauses in business transfers

In the context of business acquisitions, non-compete clauses are an essential covenant to protect the purchaser. These agreements stipulate that the seller will refrain, for a defined period and within a specified territory, from engaging in activities that compete with the transferred business. Their primary purpose is to prevent the seller, after completion of the […]
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Company Law, Blog
Investment in startups: how venture capital funds work

Investment in startups: how venture capital funds work

What is venture capital and how does it invest in startups? The world of startups and venture capital has emerged as a key driver of innovation and economic transformation in recent decades. This ecosystem, powered by early-stage companies with high growth potential—primarily in the tech sector—attracts investment funds willing to take significant risks in exchange […]
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Company Law, Blog
The prohibition of competition by directors: a mechanism to prevent unfair competition

The prohibition of competition by directors: a mechanism to prevent unfair competition

Corporate governance carries with it a great deal of responsibility. A major concern is the potential conflict of interest of directors. In certain cases, a director could take advantage of his position to establish his own company, which is a direct competitor of the company he manages, thus diverting business opportunities or valuable resources to […]
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Company Law, Blog
bmegrowth

How BME Growth can be the perfect solution for your company’s future: frequently asked questions and key benefits

BME Growth is the stock market par excellence designed for SMEs seeking strategic opportunities for expansion and growth. This market has established itself as an essential tool for companies wishing to make the leap to the stock market, gaining access to new sources of financing that will enable them to remain competitive in an increasingly […]
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Company Law, Blog
codigo deontologico

What is a business code of ethics and why is it important?

At the heart of the fabric of any company, large or small, is a set of core values that guide its behaviour and decision-making. These values not only define the company’s identity, but also shape its relationship with clients, employees, partners and society at large. One of the most solid pillars underpinning these values is […]
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