Jenner & Block LLP
Jenner & Block LLP is a law firm headquartered in Chicago, Illinois, with 534 lawyers in the United States according to The Law360 400 (2026).
- Office
- Chicago, Illinois
- Website
- jenner.com
- Practice areas
- Corporate litigation, Business transactions, Public sector
- Size
- 534 lawyers in the United StatesFirm-wide count, The Law360 400 (2026)
- Headquarters
- This office
- Traces its history to
- 1914
Chicago, Illinois
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About Jenner & Block LLP
Jenner & Block LLP is a law firm headquartered in Chicago, Illinois, with 534 lawyers in the United States according to The Law360 400 (2026). Its main areas of practice include corporate litigation, business transactions and public sector.
The directory lists 83 law firms in Chicago, Jenner & Block LLP among them, and 397 across Illinois. By U.S. lawyer headcount, it ranks number 11 among the firms we list with an office in Chicago. Chapman and Cutler LLP is listed at nearly the same location.
More about the firm is on its website, jenner.com.
Firm profile
Jenner & Block is an American law firm headquartered in Chicago, where it was founded in 1914 as Newman, Poppenhusen & Stern, with other offices in New York, Washington, D.C., Los Angeles, Century City, San Francisco and London. It works in corporate litigation, business transactions and public-sector matters and has litigated several cases before the U.S. Supreme Court.
Jenner & Block LLP traces its history to 1914.
Source: en.wikipedia.org
Areas of practice
- Corporate litigation
- Business transactions
- Public sector
From the firm's published profile.
Check a Lawyer's License in Illinois
Lawyers who practice in Illinois are licensed by Attorney Registration and Disciplinary Commission of the Supreme Court of Illinois. Before you hire anyone at Jenner & Block LLP, confirm that the lawyer is licensed and in good standing with its Lawyer Search.
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Jenner & Block LLP: Questions and Answers
- Where is Jenner & Block LLP located?
- Jenner & Block LLP is in Chicago, Illinois.
- How do I contact Jenner & Block LLP?
- The firm's website is jenner.com.
- What kind of law does Jenner & Block LLP practice?
- Corporate litigation, Business transactions and Public sector. From the firm's published profile.
- How many lawyers does Jenner & Block LLP have?
- Jenner & Block LLP has 534 lawyers in the United States, according to The Law360 400 (2026). That count covers the whole firm, not only its Chicago office.
- Where is Jenner & Block LLP headquartered?
- Jenner & Block LLP is headquartered in Chicago, Illinois. This office is its headquarters.
- When was Jenner & Block LLP founded?
- Jenner & Block LLP traces its history to 1914, counting the oldest firm it grew from.
- Which law firms are near Jenner & Block LLP?
- The closest firms in the directory are Chapman and Cutler LLP (same location), Hinshaw & Culbertson LLP (same location) and Katten Muchin Rosenman LLP (same location).
- How can I check that a lawyer at Jenner & Block LLP is licensed?
- Lawyers in Illinois are licensed by Attorney Registration and Disciplinary Commission of the Supreme Court of Illinois. Use its Lawyer Search at iardc.org to confirm a lawyer is licensed and in good standing.
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Listing from © OpenStreetMap contributors, lawyer count from The Law360 400 (2026), last checked October 2026. LawFirmWebAgency is not affiliated with this firm, and a listing is not an endorsement or a measure of quality.

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