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Konstantinos P Papadiamantis

Work +30 210 3380 000
PotamitisVekris Law Firm


Partner specialising in n dispute resolution focusing on civil and criminal litigation and arbitration as well as insolvency and restructuring. Konstantinos has represented clients in a wide variety of commercial and civil disputes, including those arising from breach of the regulations governing a range of industries such as banking, pharmaceutical, medicinal products and transport. He has also represented clients on violation of intellectual and industrial property before the Competition Commission. In addition, Konstantinos has extensive experience advising on white-collar crime, in particular acting on behalf of companies and individuals in the field of breach of banking and stock exchange regulations, along with representing clients in disputes emanating from public procurement. He also participated in one of the first arbitrations to be run under the rules of the Greek Association for Maritime Arbitration.


Konstantinos is a former independent non–executive director of Emporiki Bank (2008-13).


Greek, English, French and German.


Athens Bar Association (1986), Paris Bar Association (1994).


Université de Paris-X (Nanterre), PhD (1990); Université de Paris-2, DEA in EEC Law (1988); Université de Paris-2 Institut de Droit Comparé, Diploma in Comparative Law (1987); Université de Paris-2, DEA Philosophy of Law (1985); University of Athens, LLB (1983).


Dispute resolution

Within: Leading individuals

Konstantinos Papadiamantis - PotamitisVekris Law Firm

Within: Dispute resolution

The 'hands-on, efficient and readily-available litigation team' at¬†PotamitisVekris Law Firm¬†receives high praise for its 'first-class lawyers who produce very good results'. The firm has grown particularly strong sub-groups in areas such as white-collar crime and public law. Team head¬†Konstantinos Papadiamantis¬†is a 'very good' lawyer with 'in-depth knowledge of the law'. Recently the team¬†represented Procter & Gamble in a ‚ā¨17.5m dispute with a former distributor. Lawyers also acted for the hotel group, KLC, on a dispute with a contractor. Other key partners include¬†Xenophon Paparrigopoulos, who is particularly active in intellectual property and competition disputes, and arbitration head Vicky Psaltis.

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Within: Employment

The 'very responsive, approachable and pleasant' team at PotamitisVekris Law Firm is 'highly knowledgeable and experienced' and can 'translate the employment law requirements into actionable solutions that are relevant to the processes, approaches and culture of the organisation'. The practice successfully defended Citi Bank against pension-related lawsuits filed by 422 employees who were transferred to Alpha Bank. Alexios Papastavrou leads the excellent team, which also includes the highly-rated Konstantinos Papadiamantis. Clients include Eurobank, Philip Morris International, Xerox and AstraZeneca.

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White-collar crime

Within: Leading individuals

Konstantinos Papadiamantis  - PotamitisVekris Law Firm

Within: White-collar crime

PotamitisVekris Law Firm has an 'international mindset and the highest professional and ethical standards'. The 'efficient' team is led by Konstantinos Papadiamantis, who has over twenty years of experience in this area and 'inspires respect and has a deep sense of responsibility'. The firm regularly advises on anti-money laundering issues, tax offences, and corporate and banking fraud. The firm recently advised Citibank on a significant credit card fraud case, as well as the fraudulent activity of an employee. The team is also representing Charalampos Siganos, the ex-CEO of Hellenic Postbank accused of breach of trust.

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