Asta Siponen

Partner, Attorney at Law

About Asta

Asta is the head of our Dispute Resolution practice. She has extensive expertise in both civil court proceedings and arbitration matters. Asta is also an expert in negotiations and mediation with a view of preventing conflicts before escalation to courts. Asta is also experienced in administrative proceedings and has also represented clients in criminal proceedings particularly related to corporate investigations.

Asta has advised clients in competition law matters, particularly related to public and private enforcement, notably in public procurement and damages actions. Asta is also an expert in land use matters, building and real estate.

Asta is an experienced and trusted advisor in relation to demanding commercial contracts and eager to learn something new every day.


Procopé & Hornborg, Partner 2011-
Procopé & Hornborg, Specialist Counsel 2009-2011
Veikko Palotie & Co Oy, Partner 1993-2009
Veikko Palotie & Co Oy, Lawyer 1986-1992
Helsinki Telephone Law department, Lawyer 1990


Evidence Law, University of Helsinki 2005
Environmental Management, University of Helsinki 1995
Columbia Summer Program in American Law, Leiden University 1986
Master of Laws, University of Helsinki 1986


Finnish Bar Association
Finnish Environmental Management Association
Finnish Society for Environmental Law
Competition Law Association of Finland
Registered Mediator of the Finnish Bar Association

Working languages

  • English
  • Finnish
  • Swedish