Shay Gimelstein

Partner

Adv. Shay Gimelstein is a partner in the Dispute Resolution Practice Group at S. Horowitz, specializing in administrative law, commercial and la litigation, and environmental law. He represents major clients across infrastructure, quarries, energy, healthcare, and banking sectors, regularly appearing before all Israeli courts and tribunals, including the Supreme Court of Israel.

Shay provides comprehensive legal counsel on high stakes disputes and matters of principle, particularly focusing on financial issues and regulatory compliance. His practice encompasses judicial review proceedings, class actions, land appropriation cases, and complex environmental disputes related to infrastructure development and industrial operations.

Throughout his career, Shay has established himself as a trusted advisor to key players in the Israeli economy, including the **Israel Electric Corporation (IEC)**, leading health maintenance organizations, major quarry and infrastructure companies, and prominent banking institutions. His expertise in administrative and environmental law has proven particularly valuable in matters involving governmental resource allocation, land use challenges, and major infrastructure project development.

Core Capabilities

  • Administrative Law and Judicial Review
  • Class Action Defense
  • Environmental Regulation and Compliance
  • Infrastructure and Development Disputes
  • Banking and Financial Litigation
  • Healthcare Sector Regulation

Notable Representations

  • Representation of Maccabi Health Fund in Supreme Court petitions challenging the State’s Cost of Health Index methodology, securing increased government funding for the healthcare sector.
  • Defense of Readymix and subsidiary Lime and Stone in multiple class actions, including a NIS 246 million claim regarding concrete standards compliance and a NIS 40 million environmental dispute.
  • Representation of Bank Discount in a billion-shekel tender dispute regarding public sector employee services.
  • Defense of Israel Electric Corporation in numerous civil claims related to electromagnetic fields and electricity tariffs.
  • Counsel to Union Bank of Israel (Bank Igud) in corporate governance matters involving executive appointments.

Education

  • LL.B., Haifa University, 2004
  • B.A. (Economics), Haifa University, 2004

Admission

  • Israel Bar, 2005

News & Insights:

Access our legal insights, thought leadership and expert analysis

News

Israir has been offered the opportunity to acquire Arkia. Adv. Hagai Doron explains to Globes why the proposed deal is likely to face close scrutiny from the Israel Competition Authority.

News

The Tel Aviv District Court approved a debt arrangement for autotech company REE, which owes NIS 51 million, averting liquidation

Articles

From Ben Gurion’s post-war rebound to a landmark Supreme Court ruling on cancelled flights – what’s new in Israel aviation law.

News

A contractor’s NIS 2.4m claim against the Israel Electric Corporation over transformer rooms was dismissed, with NIS 100,000 in costs.

Articles

Israel’s data protection regime after Amendment 13: DPO, consent, data subject rights, cross-border transfers, enforcement and direct marketing.

Articles

Ran Feldman, the S. Horowitz partner who leads intern recruitment, on training the next generation of lawyers

Updates

Bank of Israel eases the absorption of crypto funds, and Aliyah tax benefits are expected to extend to February 2027 arrivals.

News

Receiver seeks approval to sell 18.8% of a Yad Harutzim plot to Ashtrom and Kardan, reflecting a NIS 245 million value.

Articles

S. Horowitz’s Legal 500 guide to Alternative Investment Funds in Israel: structures, licensing, tax, fees, marketing and side letters

Updates

Israel’s Supreme Court bars travel agencies from deducting handling fees from airline refunds. What it means for foreign carriers.

Updates

The Third Circuit rejects fair use in Thomson Reuters v. Ross: a key ruling on AI training, but not a universal rule.

Updates

Israeli court rules there is no cap on flight-cancellation accommodation costs unless the Minister acts under Section 9A.

Updates

Ben Gurion’s August 20 shutdown left airlines facing liability questions – and possible paths to recovery.

News

Complex merger reviews at Israel’s Competition Authority can take up to a year – and t.

Updates

S. Horowitz’s tax update covers four key developments: spreading of income from capital compensation, a landmark ruling in the NSO acquisition case on artificial transactions and penalty limits, real-time tax relief for new immigrants and returning residents, and clarification on

Updates

Delaware court rejects Vertex’s formulation patent claim against Lupin: an exact number couldn’t be stretched after the fact.

Updates

Tel Aviv court: passengers must prove EU261 as foreign law via expert evidence – a strong procedural defense for airlines.

Articles

The Global Legal Post’s Merger Control Law Guide for 2026: Israel and 29 other jurisdictions.

Updates

Shein’s loss to Temu reminds brand owners to verify copyright ownership before removing competitors’ content from marketplaces, and when platforms may be liable for third-party content.

News

The District Court upheld the arbitration ruling in the dispute over Ponevezh Yeshiva, in which we represented the yeshiva and Rabbi Eliezer Kahaneman.

Articles

S. Horowitz authored the Israel chapter of the Legal 500 AI Comparative Guide – covering key AI legal and regulatory developments in Israel.

News

Amit Steinman, Managing Partner at S. Horowitz: AI is a tool, not a source of authority.

Updates

Israel’s new Legislative Memorandum sets out a licensing regime for stablecoin issuers – what it means for the market.

Updates

Israel Tax Authority guidance on secondary sale transactions and a new position paper on income spreading for employee options.

Articles

Israel’s Mandatory Tenders Law governs public contract awards, exemptions and legal challenges for all public bodies.

Updates

Munich court rules Suno’s AI music infringed copyright, a critical signal for all generative AI content use.

Articles

Israel’s construction boom brings rising disputes and a modernized arbitration framework.

Updates

Israel takes a significant step toward regulating the digital assets sector with a draft bill introducing a comprehensive framework for the licensing, issuance, and reserve backing of stablecoins.

Updates

S. Horowitz’s July 2026 Tax Newsflash covers assessment amendment duties, the Buyer’s Price Supreme Court appeal, and the Aliyah tax circular.

Articles

AI is reshaping documentary filmmaking, raising urgent questions on copyright, consent and deepfakes.

Articles

A new agreement for the promotion and protection of investments between Israel and India grants broad protections to investors of both States.

Articles

S. Horowitz’s chapter on Israel in the Law Over Borders: Global M&A Guide for 2026 covers market trends, deal structures, and key focal points shaping Israeli M&A.

Updates

The mere use of artificial intelligence or deep learning is not enough to establish patent eligibility in the United States.

Articles

Partner Benjamin Sheffer and Advocate Of Counsel Lance Blumenthal from S. Horowitz, provide a full legal overview of Israeli construction law.

Updates

No doctrinal change yet, but Israel’s Supreme Court signals that class action cost orders may need to bite harder in weak cases.

Updates

S. Horowitz’s June 2026 Tax Newsflash covers Israeli tax residency, hi-tech tax credits, and VAT relief for funds. Read more »

News

S. Horowitz represented Menrav Group in signing a NIS 630 million urban renewal agreement in Givatayim.

Articles

Benny Sheffer and Lance Blumenthal’s review of Israel’s energy and infrastructure M&A market: steady — and positioned for rebound.

News

Adv. Sarit Arieli Ben Simchon joins S. Horowitz as partner, bringing 20+ years in planning, construction, and real estate.

Articles

A new Israeli appellate ruling: airlines must actively present passengers with their choice between refund and rebooking.

Articles

A new Supreme Court precedent: airlines must actively offer cancelled-flight passengers a choice between a refund and an alternative flight.

Updates

Adv. Ran Vogel reviews Japan’s IP Strategic Program 2026 and its implications for AI companies and rights holders.

Articles

When disruption does not amount to cancellation under Israeli law

News

After 22 years in public service, Jerusalem’s planning appeals chair reflects on the city’s impossible contradictions.

Articles

When generative AI writes, paints, and composes – who is the author? Dr. Eyal Brook examines the copyright subject.

News

After 20+ years in planning, construction, and administrative law, Sarit Arieli Ben Simchon joins S. Horowitz as partner.

Updates

The Israel Competition Authority has published draft extensions of key “block exemptions” for public consultation.

News

Our May 2026 Tax Newsflash is here! Draft regulations introduce increased compensation for businesses suffering indirect damage during Operation “Roaring Lion”—four alternative compensation tracks up to NIS 5 million. Plus: Draft Pillar Two regulations anchor Safe Harbour mechanisms in Israeli

News

Adv. Lior Nouman on a proposed bill that would require IDF tech unit graduates to maintain Israeli tax residency for ten years.

Updates

Generic apixaban in Israel: The Court invalidated the patent term extension on Eliquis, following revocation of the parallel UK patent.

Subscribe

Get the latest updates straight to your inbox

SHARE

Facebook
LinkedIn
WhatsApp
Email
Print