Sivan Wulkan is a partner in our firm’s Commercial Litigation department. Her primary focus is on advising prominent foreign companies in both international and domestic disputes, in addition to providing counsel to leading Israeli industry figures. As an integral part of her role, Sivan also provides day-to-day legal advice to prominent multinational companies, contributing to their strategic decision-making processes.

Over the course of her legal career, Sivan has personally handled and been actively involved in numerous large and complex high-profile civil proceedings, class actions, and derivative actions, establishing herself as a seasoned litigator.

With a comprehensive understanding of civil, commercial, and corporate law, as well as expertise in antitrust and competition law, e-commerce, consumer protection, private international law, payment methods, and administrative law, Sivan brings a diverse skill set to her practice.

During her legal studies, Sivan gained valuable experience in the legal department of the Israel Land Authority and participated in various pro bono initiatives. Having served as an associate at S. Horowitz & Co., Sivan joined our firm in 2014 and became a partner in 2019. She is fluent in both Hebrew and English.


  • Represented an international pharmaceutical corporation in a directive action alleging defects in its medical products. This case concerned one of the largest transactions ever to occur in Israel (amounting to billions of US dollars).
  • Represented major global food corporations and a consumer goods company in precedential class actions proceedings, concerning an allegation of an abuse of their monopolistic position through excessive pricing.
  • Represented prominent foreign online trading companies in motions to certify class actions relating to the platforms’ display, violation of the competition law, and conversion fees.
  • Represented and provided legal advice in disputes relating to international jurisdiction and choice of law.


Dispute Resolution: Class Actions (Including Derivative Actions)
Legal500 Recommended Lawyer
Dispute Resolution: Class Actions (Including Derivative Actions)


“Sivan Wulkan-Avisar is very professional and hard-working. She drills down on every aspect of the case and is very service-oriented.”

2009 The Hebrew University of Jerusalem | LLB
2009 The Hebrew University of Jerusalem | BA (Economics)
2010 Israel
Sivan Volkan-Avisar

Sivan Wulkan Avisar

132 Begin Road, Azrieli Center, Tel Aviv 6702101, Israel
Sivan Volkan-Avisar