About our Law Firm

Founded in the 1970s in Athens, BISSIAS & PARTNERS was located at, Anthimou Gazi Street 9, near the Old Parliament. Our practice was shaped by Attorney Stavros I. Bissias (1932–2022), whose guidance and values continue to inspire our work.

Since the mid-1990s, BISSIAS & PARTNERS has been led by Dr. iur. Ilias S. Bissias, admitted to the Bars of Athens, Zurich, and Frankfurt am Main. His legal studies at the Universities of Heidelberg, Basel, and Zurich, combined with his professional experience in Greece, Switzerland, and Germany, form the foundation of the firm’s strong international focus.

We provide our clients with reliable and expert advice and diligently represent them before courts and authorities in Greece, Switzerland, and Germany

Drawing on decades of expertise in Greek–Swiss and Greek–German cross-border legal matters, our law firm is recognized as one of Greece’s leading firms serving German-speaking clients.

Our Team

Dr. iur. Ilias S. BISSIAS

Attorney at law
Member of the Athens, Zurich and Frankfurt Bars
Managing Partner

Born and raised in Athens, Agia Paraskevi (Attica).

Studied law at the Universities of Heidelberg, Basel, and Zurich; Lic. iur. (1991), Dr. iur. (2007).

Doctorate at the University of Zurich. Dissertation topic: ‘International Maritime Labour Disputes before Swiss Courts’ (supervised by Prof. Dr. Manfred Rehbinder).
Served as a research assistant to Professors Hubert Niederländer and Erik Jayme at the Institutes of Legal History and International Private Law, University of Heidelberg (1985–1989)

Bar Admissions:

  • Athens (1994), Attorney at the Supreme Court
  • Heidelberg (1995)
  • Frankfurt am Main (1998)
  • Zurich (2003)


Memberships:

  • Athens Bar Association (D.S.A.)
  • Frankfurt Bar Association
  • German Bar Association (DAV)
  • Zurich Bar Association (ZAV)
  • Swiss Bar Association (SAV)
  • Member of the German-Greek Chamber of Industry and Commerce
  • Member of the European Lawyers’ Association “DACH”
  • Founding Member and Board Member of the Swiss-Hellenic Business Association (SHBA)
  • Deputy Chairman of the Greek-Swiss Association “EYNARDOS”


Languages: Greek, German, English (French)

Professional Experience

  • 1994 – present: Managing Partner, Bissias & Partners, Athens
  • 1993 – 1994: Legal Counsel, Legal Department, DEC Digital Equipment Corporation, Zurich
  • 1994 – 1996: Attorney-at-Law / Legal Counsel, Meyer Lustenberger & Partner, Zurich
  • 1996 – present: Legal Counsel / Attorney-at-Law, w/k/f AG (formerly wehinger kaelin ferrari AG and wkflegal AG), Zurich and Zug
  • 2002 – present: Legal Counsel and Trusted Attorney to the Swiss Embassy in Greece
  • 2006 – Present: Appointed Attorney of the Hellenic Republic in Switzerland in matters concerning the restitution of Greek cultural goods
Selected cases of public interest

Maritime Law – Civil and Criminal Cases

  • Representation or Swiss, German, and Austrian passengers in the E/G “Express Samina” shipwreck case (2000–2007).


Representation of the Greek State in Swiss Corruption and Criminal Cases

  • Representation of the Greek State before Swiss judicial authorities (Office of the Attorney General of Switzerland) in mutual legal assistance proceedings involving a Greek investigating judge (2005–2006).


Representation of the Greek State in Switzerland and Greece: Repatriation of illegally removed Greek cultural goods 

  • Repatriation of the stolen ancient statue of “Apollo Lykeiou” from Switzerland (2006–2007)
  • Repatriation of an ancient Attic Lekythos from Switzerland (2007–2008)
  • Repatriation of 4 Byzantine Frescoes from the Becchina Collection in Basel, Switzerland (2007–2010)
  • Repatriation of 118 ancient Greek Coins from Switzerland (2012–2013) 
  • Repatriation of a rare octadrachm of the King of Bisaltia from Swityerland (2013–2015)
  • Repatriation of two Greek grave vases from the Becchina Collection, Basel, Switzerland, identified and recovered at an auction in London (2018–2024).


Representation of private clients in International Criminal Proceedings in Greece and Switzerland:

  • Representation of clients in Siemens/OTE corruption case (2008–2019)
  • Representation of aggrieved clients in Julius Bär Bank fraud case (2009–2025)
  • Representation of clients in Energa – Hellas Power case (2012–2015)
  • Representation of clients in the Greek Ministry of Defense arms procurement programs corruption case (2013–2020)
  • Representation of clients in the state bonds case (2010–2014)
  • Representation of clients in the Greek Postal Savings Bank (TT) case (2014–2017)
  • Representation of clients in the Proton Bank case (2014–2020)
  • Represantation of clients in the FIFA corruption proceedings (2017–2020)
  •  
  • Contract Law (Greece / Switzerland / Germany)
  • International Private and Procedural Law
  • Real Estate Law
  • International Succession Law / Estate Planning
  • International Criminal Law / White-Collar Crime
  • International Mutual Legal Assistance in Criminal Matters between Greece and Switzerland
  • International Administrative Assistance in Tax Matters between Greece and Switzerland
  • International Tax Law / Tax Planning
  • Banking Law / Account Freezing and Unfreezing in Switzerland and Germany
  • Corporate Law/ Company Incorporation Services in Greece, Switzerland, and Germany
  • Cultural Ηeritage Law
  • Maritime Αccidents

AGI S. BISSIA, LL.M.

Attorney-at-Law

Member of the Athens Bar Association

Born in Athens and raised in Agia Paraskevi, Attica. Her parents were attorney-at-law Stavros I. Bissias (1932–2022) and Panagiota Bissia–Aloupi (1940–2012).

Studied law at the Faculty of Law of the National and Kapodistrian University of Athens (LL.B., 1995)

Master’s degree in International Labour Law at the University of Reading, UK (LL.M. 1996).

Admitted to the Athens Bar in 1997. Attorney at the Supreme Court

Marital status: married, mother of four.

Languages: Greek, English, German.

  • 1997 – present: Partner, Bissias & Partners
  • 2005 – present: Legal Counsel, KAPA Studios S.A.
  • 2005 – present: Legal Counsel, I.K. Film & Television Productions S.A.
  • 2010 – present: Legal Counsel, CICICOM Ltd.
  • 1999 – 2008: Legal Counsel, Motorola S.A. and Motorola SpA


Earlier Legal Practice / Traineeship:

  • Drillerakis & Partners
  • Digital Equipment Corporation S.A.
  • Trademark and Intellectual Property Law
  • Real Estate Law
  • Corporate and Commercial Law
  • Family Law
  • Data Protection Law

Associates

Marilia Moschoviti, LL.M.

Attorney-at-Law, , Member of the Athens Bar Association

Attorney-at-Law at the Athens Court of Appeal

  • LL.B. (2011), Faculty of Law, National and Kapodistrian University of Athens
  • LL.M. in Public Law (2013), Faculty of Law, National and Kapodistrian University of Athens
  • 2021 – present: Attorney-at-Law, Bissias & Partners
  • 2020: Associate, Law Office of Maria Spyraki
  • 2016 – 2019: Associate, Law Office of Adamantios Basaras
  • 2014 – 2016: Associate, Law Firm Lege Artis
  • 2013: Trainee Lawyer, National Bank of Greece – Criminal Law Department
  • 2011 – 2012: Trainee Lawyer, Law Office of Assoc. Prof. of Constitutional Law, Theodora Antoniou
  • Civil Law
  • Public Law
  • Real Estate Law
  • Labour & Employment Law
  • International Succession Law
  • International Private Law

Greek, English, French, German, Swedish

Maria Spanidou, LL.M.

Attorney-at-Law, Member of the Athens Bar Association

Attorney-at-Law at the Athens Court of First Instance

  • LL.B. (2019), Faculty of Law, National and Kapodistrian University of Athens
  • LL.M. in Sociology of Law, Technology and Science (2021), Faculty of Law, National and Kapodistrian University of Athens
  • M.Sc. in Law and Information & Communication Technology (ongoing, since 2023), Department of Digital Systems, University of Piraeus
  • 2022 – present: Attorney-at-Law, Bissias & Partners
  • 2021 – 2022: Associate, Notary Office 
  • 2019 – 2021: Traineeship and subsequent practice as Attorney-at-Law in a Law Firm
  •  
  • Civil Law
  • Real Estate law
  • International Succession Law
  • International Private Law
  • Internet Law
  • Traffic Law (Accident Law)
  •  

Greek, English, German, Russian

Eleni Karapatsia, LL.M.

Attorney-at-Law,  Member of the Athens Bar Association

Attorney-at-Law at the Athens Court of First Instance

  • LL.B. (2020, with distinction), Faculty of Law, National and Kapodistrian University of Athens
  • Six-month study program, Faculty of Law, University of Vienna (2019)
  • LL.M. in Criminal Law (2021, summa cum laude), Faculty of Law, Humboldt University of Berlin
  • Doctoral Candidate (Dr. iur. cand.), Faculty of Law, Humboldt University of Berlin; Dissertation: “The First Experiences of the European Public Prosecutor’s Office with Germany and Greece”
  • 2022 – present: Bissias & Partners
  • 2021 – 2022: Traineeship, Bissias & Partners
  • 2019: Internship, Hellenic Parliament
  • Criminal Law
  • European and International Criminal Law
  • Real Estate Law
  • Cross-Border Criminal and Civil Matters between Greece, Switzerland, and Germany

Greek, English, German, French, Italian 

Georgios Ntinis, LL.M.

Attorney-at-Law

Attorney-at-Law at the Athens Court of First Instance

  • LL.B. (2022) Faculty of Law, Aristotle University of Thessaloniki
  • LL.M. (2023) in Criminal Law and Criminology, Faculty of Law, Goethe University Frankfurt am Main
  • 2022 – present:  Counsel, Bissias & Partners
  • 2022 – 2023: Trainee Lawyer
  • Civil Law
  • Real Estate and Land Registry Law
  • Criminal Law
  • Business Law and White-Collar Crime
  • Social Security Law
  • Cultural Heritage Law

Greek, German, English

Sevastianí Lamprou

Trainee Lawyer

Academic Education

  • LL.B. (2024), Faculty of Law, Democritus University of Thrace
Vasiliki Stamoulou

Trainee Lawyer

Academic Education

  • Faculty of Law, National and Kapodistrian University of Athens