Jenner & Block LLP

Chicago Office

This content is provided by Jenner & Block LLP.

Firm Chair: Thomas J. Perrelli
Co-Managing Partners: Katya Jestin and Randall E Mehrberg
Number of partners: 213
Number of lawyers: 503
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Firm Overview:
Jenner & Block is a destination law firm for complex litigation, important investigations and sophisticated corporate transactional work. With more than a century of unrelenting client advocacy experience, Jenner & Block is trusted by clients around the world who have sensitive, strategic and consequential matters. In addition, the firm is well known for its excellence in these practices as well as for its extraordinary commitment to pro bono service.

London Office
Jenner & Block’s London office provides direct access to the highest-quality English law advice and further enhances the ability to assist clients world wide in navigating disputes or investigations with a nexus to the UK or English law. In addition, the office handles a wide range of cross border disputes, including commercial and investment arbitrations involving par ties from multiple jurisdictions and spanning a diverse range of claims and industries. Recent litigation highlights include obtaining and successfully defending a $152 million judgment on behalf of the Joint Liquidators of Singularis Holdings Limited in High Court and Court of Appeal proceedings alleging negligent disbursement of funds by a broker.
Contact: Charlie Lightfoot (Managing Partner, London Office)
Tel: +44 330 060 5436
Email: [email protected]

Main Areas of Practice:
Appellate & Supreme Court
Aviation & Aerospace
Communications, Internet & Technology
Complex Commercial Litigation
Content, Media & Entertainment
Employee Benefits
Environmental & Workplace Health & Safety
Government Contracts
Insurance Recovery & Counselling
Investigations, Compliance & Defence
Patent Litigation & Counseling
Privacy & Information Governance
Private Wealth
Professional Responsibility
Real Estate
Restructuring & Bankruptcy
Securities Litigation & Enforcement

Litigation Practice:
The firm’s litigation department comprises more than 400 litigators and dispute lawyers in five offices, and differentiates itself through its deep experience and abiding commitment to excellence. The firm’s known reputation and trusted experience for board-level counsel, internal investigations, complex commercial disputes and arbitrations position Jenner & Block to handle its clients’ most sensitive and sizable matters. Jenner & Block’s clients entrust the firm with the responsibility to handle their most high-profile, complex and delicate litigation matters because it has built a team of distinguished trial lawyers, recognised for their principled and effective advocacy, with breadth, experience and sophistication across industries and issues.
Among its distinguished ranks, the firm counts 12 Fellows of the prestigious American College of Trial Lawyers, two former US attorneys, seven former assistant US attorneys, a former associate attorney general of the United States, a former acting solicitor general of the United States and a former Illinois Supreme Court chief justice, among other highly experienced lawyers.
For more than a century, Jenner & Block has been a leader in litigation and its track record of victories is evidence of what the firm does best: tries cases and takes them to appeal. In the last four US Supreme Court Terms, Jenner & Block’s Appellate and Supreme Court Practice has had 17 merits cases and prevailed in 14 oral arguments, with another set for re-argument this Term.
Additional litigation highlights include: securing dismissal, with prejudice, of a proposed ERISA class action litigation; recovering $120 million for a chemical company during a jury trial in a high-stakes environmental insurance and contribution case; securing a patent litigation win for a pharmaceutical company in the federal district court in Delaware; a critical win for the burgeoning sports betting industry in a high-profile “right of publicity” class action; trying only the second ever ‘repurchase’ case brought by a residential mortgage-backed security trustee to proceed to trial; and handling a series of highly publicised putative nationwide consumer class action litigation, securities fraud litigation and shareholder derivative litigation matters for a beauty company. The firm also handles significant cross-border and multijurisdictional litigation across a variety of industries, including financial services, energy, defence, telecommunications, transportation, media and entertainment, hospitality, education, food and beverage, insurance, healthcare and life sciences, among others. The firm’s best-in-class investigators are recognised for running complex investigations, whether industry-specific, regulatory or involving highly confidential issues. Jenner & Block’s approach blends extraordinary preparation with a search for the truth and the clear and unbiased presentation of the facts to clients.
Contact: David J Bradford (Acting Chair, Litigation Department)
Tel: +1 312 923 2975
Email: [email protected]

Corporate Practice
Jenner & Block has substantial experience leading some of the largest corporate transactions in history, most notably GM’s US$50 billion+ asset sale in connection with its bankruptcy and Schneider Electric’s US$1.25 billion acquisition of ASCO Power. The firm has also secured numerous IPOs, including US Food’s US$1 billion+ IPO and GM’s US$23 billion+ IPO. Clients trust Jenner & Block to assist with their most complex and sophisticated transactions, often with cross-border components. From counselling Lonza Group AG in the $630 million sale of its Watercare business to Platinum Equity to assisting Diamond Castle Partners on $2.5 billion acquisition of Multi-Color Corp. by Platinum Equity and representing General Dynamics in its US$9.7 billion acquisitions of publicly traded CRSA. Jenner & Block lawyers bring real solutions to unique matters. Utilising a multi-disciplinary approach, the firm’s more than 100 corporate lawyers across five offices represent international and domestic clients with their mergers and acquisitions, investments, joint ventures, IPOs and other securities transactions, strategic alliances and business dispositions. Jenner & Block’s work also includes advice and counselling on public and private securities offerings, disclosure and fiduciary matters and financings and in areas such as tax, real estate, environmental, insurance, bankruptcy and restructuring, technology, intellectual property, employee benefits, privacy and information governance, cybersecurity and data protection, labour and employment, antitrust and government contracts. The firm’s clients range from the top ranks of the Fortune 500 to middle-market and emerging companies, private equity funds and family-owned businesses.
Contact: Joseph P Gromacki (Chair, Transactional Department)
Tel: +1 312 923 2637
Email: [email protected]

Pro Bono
Jenner & Block’s substantial commitment to pro bono is evidenced by 100% of its lawyers dedicating more than 20 hours to pro bono matters in 2018. This commitment has given the firm widespread recognition as one of the top pro bono firms.