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Sidley Austin LLP


With a practice highly attuned to the ever-changing international legal landscape, Sidley has built a reputation for being a powerful legal adviser for global businesses. With more than 2,000 lawyers across 20 offices worldwide, Sidley maintains a commitment to providing quality legal services and to offering advice in litigation, transactional and regulatory matters spanning virtually every area of law. 
Our highly regarded capital markets practice and broad transactional practice disciplines include corporate and securities, mergers and acquisitions, securitization, intellectual property, funds and other pooled investments, bankruptcy and corporate reorganization, bank and commercial lending, public finance, real estate, tax and employee benefits, as well as trusts and estates.  

Sidley’s extensive litigation experience includes general and commercial litigation, regulatory and financial litigation, antitrust, white collar criminal defense, food and drug, healthcare, patent and other intellectual property litigation, product liability and mass tort litigation, international commercial arbitration and dispute resolution, and international trade law.  

Our offices are found in Beijing, Boston, Brussels, Century City, Chicago, Dallas, Geneva, Hong Kong, Houston, London, Los Angeles, Munich, New York, Palo Alto, San Francisco, Shanghai, Singapore, Sydney, Tokyo and Washington, D.C.

Editor's note: Updated Nov. 13, 2019.

Headquarters Address

Chicago, IL
United States



Consolidation Seen as Only Major Change on E&P Finance Radar for 2024

Industry experts expect E&Ps to stick with tried and true capital discipline with lighter hedging and more credit financing.

Column: High Court’s Water Ruling Provides Clarity … or Not

Murkiness remains for projects involving water, despite clarity from Supreme Court on the limits of EPA’s power.

Oil and Gas Industry Well-positioned if Recession Hits

M&A deals may be smaller and growth constrained, but capital discipline has positioned oil and gas companies on firmer ground to endure a downturn, experts tell Hart Energy.

Sidley Austin Hires Former Saudi Aramco Counsel in Houston Office

Josh Sutton, a Texan who previously practiced law at Sidley Austin as an associate, worked at Aramco for six years prior to his return to the global law firm in December.

Oil and Gas Securitizations: A New Financing Tool in the Upstream Toolbox

Securitizations are gaining favor in the oil and gas space because investors like the predictable cash flow of energy operations.

Energy Insights Roundtable: Capital Thinking

A webinar hosted by Stephens Inc. focused on the big energy picture as well as how post-2020 recovery looks for the industry.

Q&A: Significant Midstream Consolidation on the Way

New Sidley partner Trent Bridges shares his thoughts on the strategic outlook for midstream companies, pipeline contracts, M&A, renewable fuels, capital markets and regulations.

PATH FORWARD: Oil and Gas Strategies for Navigating the Renewables Boom

Sidley Austin’s Cliff Vrielink shares his take on how the oil and gas industry is navigating the renewables boom including investment opportunities amid the energy transition plus real world consequences of moving too quickly.

Former Magellan Midstream VP Trent Bridges Joins Sidley as Partner in Houston

Trent Bridges’ near-decade of experience at Magellan Midstream will help grow Sidley Austin’s midstream transactional and regulatory practices, says Cliff Vrielink, global leader of the energy and infrastructure practice at the firm.

Q&A: Sidley’s Tim Chandler on Water Management M&A Trends

The attorney who helmed the team representing XRI in its purchase of Celtic Disposal from Hibernia offers his insight on whether more E&Ps will seek to divest their water management units.

Oil and Gas Investor’s Capital Formation: The Return of Debt and Equity

The stagnation for new capital in the oil and gas industry is breaking; however, 2020 will continue to influence debt and equity sources in 2021. 

Sidley Hires Prominent Energy Transactional Partner Holt Foster in Texas

Based in its Dallas office, Holt Foster will be a member of Sidley’s global energy and infrastructure group and a practice area team co-leader of the energy practice.

PATH FORWARD: How FERC’s New Chair Will Impact the Oil Industry

FERC will align with President Biden’s climate goals but the energy transition cannot be done “on the backs of oil and gas workers,” says Ken Irvin, co-leader of global energy practice with Sidley Austin.

A&D Strategies & Opportunities Roundtable: The View Forward — A&D Veteran Strategies

Volatile times result in unprecedented opportunities for those who can see through the chaos. These industry veteran dealmakers—J.D. Smith, Mark Castiglione and Steve Herod—will discuss their insights and what potential wins they see in today’s market that others might not.

Q&A: Outlook for Growth in Renewable Energy

The pandemic has caused short-term delays, but Sidley partner Jessica Adkins says the long-term outlook remains strong.