Legal Services

Legal advice for executives and specialists in engineering and construction of plants, power plants, bridges, steel structures, who seek advice and support in contracting, claim-management in construction law, public procurement law (VOB, VOL, GWB), claim management, conflict management, contract law, industrial law, employment law, labour law. Admitted to the bar of Karlsruhe and all German Courts (not BGH)

Arbitration and Adjudication for companies, lawyers, law offices, advocates, seeking an impartial arbitrator with long lasting experience in the industrial sector of engineering and construction as well as arbitration national and international arbitration (ICC, UNCITRAL, DIS)

Mediation/Facilitation for executives and specialists who want to avoid or finalize conflicts within their team or company or with clients or sub-contractors through mediation / facilitation by their own efforts, rather then facing the decision of a third party; see mediation, German page.


Formation / In-house Training and Seminars

for companies that need to update their executives and specialists regarding contract law in Germany, especially law of construction, law of services, law of sales, UNCITRAL, FIDIC, industrial law, employment law, labour law or wish to train employees in the art of negotiation and conflict resolution under the premises of German law and international practice.

for topics and suggestions see Seminare, Schulung, Vorträge, German page and for references see reference list, German page



expert knowledge as legal counsel since 1986, nationally und internationally working mainly for companies (steel construction and erection, power plants, energy transmission technology, communication technology, industrial plant & engineering, building services & technical facility management)

knowhow as arbitrator in national and international arbitrations (up to 260 Mio EUR); member of the German Institution for Arbitration, Berlin

knowhow as mediator/facilitator,  co-author of Hammacher/Erzigkeit/Sage
So funktioniert Mediation im Planen und Bauen –
Praxis der Konfliktbearbeitung ohne Gericht

Dr. Peter Hammacher, Ilse Ezigkeit, Sebastian Sage

4. Auflage 2018

experience through hundreds of seminars and in-house-trainings on contract law



continuously publishing on topics that are practically relevant to companies, especially in contract law , see Veroeffentlichungen German Page