DLA Piper is a
law firm
A law firm is a business entity formed by one or more lawyers to engage in the practice of law. The primary service rendered by a law firm is to advise consumer, clients (individuals or corporations) about their legal rights and Obligation, respon ...
with offices in over 40 countries across the Americas, Asia Pacific, Europe, Africa, and the Middle East.
It was founded in 2005 through the merger between three law firms:
San Diego
San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
–based ''Gray Cary Ware & Freidenrich LLP'',
Baltimore
Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
-based ''Piper Rudnick LLP'' and
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
–based ''DLA LLP''. DLA Piper is now composed of multiple partnerships operating under a shared global network in an organizational structure known as a
Swiss Verein
A Swiss association ("" in German, "" in French, "" in Italian) is a type of corporation in Swiss law. It is similar to the Anglo-American voluntary association. Unlike in Germany, a Swiss association does not need to be registered in order to ...
.
History
Origins
DLA Piper's origins can be traced back to four law firms: Dibb Lupton Broomhead, Alsop Stevens, Piper & Marbury, and Rudnick & Wolfe. Dibb Lupton Broomhead was a UK law firm that was formed in 1988 after the merger of Dibb Lupton and Broomhead & Neals. In 1996, the firm merged with the Liverpool-based law firm, Alsop Wilkinson, and became Dibb Lupton Alsop (DLA). Meanwhile, in the United States, Piper & Marbury was founded in Baltimore, Maryland, and merged with
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
-based Rudnick & Wolfe in 1999 to form Piper Marbury Rudnick & Wolfe.
Formation and growth (2005–2010)
DLA Piper was formed in 2005 after a merger between DLA, Piper Rudnick, and Gray Cary Ware & Freidenrich. The merger created one of the largest law firms in the world at the time and the largest firm in the UK. In 2006 the firm's name was shortened from DLA Piper Rudnick Gray Cary US LLP to DLA Piper. In 2005, DLA Piper launched New Perimeter, an international pro bono initiative that provides legal assistance in underserved regions.
Throughout this period, the firm continued to open offices in
Mexico City
Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and finan ...
and
São Paulo
São Paulo (; ; Portuguese for 'Paul the Apostle, Saint Paul') is the capital of the São Paulo (state), state of São Paulo, as well as the List of cities in Brazil by population, most populous city in Brazil, the List of largest cities in the ...
, as well as expanding its presence in
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
, the
Middle East
The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq.
The term came into widespread usage by the United Kingdom and western Eur ...
, and
Asia-Pacific.
The firm also grew in the
Australasia
Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...
n region through a series of mergers and acquisitions, including an exclusive alliance with Australian firm Phillips Fox in 2006. Also in 2006, DLA Piper expanded its Middle Eastern presence by opening an outpost in
Doha
Doha ( ) is the capital city and main financial hub of Qatar. Located on the Persian Gulf coast in the east of the country, north of Al Wakrah and south of Al Khor (city), Al Khor and Lusail, it is home to most of the country's population. It ...
,
Qatar
Qatar, officially the State of Qatar, is a country in West Asia. It occupies the Geography of Qatar, Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it shares Qatar–Saudi Arabia border, its sole land b ...
, later opening an office in
Abu Dhabi
Abu Dhabi is the capital city of the United Arab Emirates. The city is the seat of the Abu Dhabi Central Capital District, the capital city of the Emirate of Abu Dhabi, and the UAE's List of cities in the United Arab Emirates, second-most popu ...
, United Arab Emirates in 2008.
In 2008, DLA Piper opened an office in
Kuwait
Kuwait, officially the State of Kuwait, is a country in West Asia and the geopolitical region known as the Middle East. It is situated in the northern edge of the Arabian Peninsula at the head of the Persian Gulf, bordering Iraq to Iraq–Kuwait ...
as a joint venture with Kuwaiti law firm Al Wagayan, Al Awadhi & Al Saif to provide legal services to international and local clients operating under the DLA Piper Kuwait
moniker.
In the US, the firm expanded into markets such as
Houston
Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...
, Texas, where it opened a practice focused on energy law in 2008.
Recent developments (Since 2010)
In 2010, DLA Piper entered into an cooperative agreement with Brazilian firm Campos Mello Advogados, located in
Rio de Janeiro
Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...
and
São Paulo
São Paulo (; ; Portuguese for 'Paul the Apostle, Saint Paul') is the capital of the São Paulo (state), state of São Paulo, as well as the List of cities in Brazil by population, most populous city in Brazil, the List of largest cities in the ...
.
In 2011, DLA Phillips Fox (Australia) integrated with DLA Piper to become DLA Piper Australia. DLA Phillips Fox (New Zealand) followed suit, becoming become DLA Piper New Zealand in 2015.
By February 2012, DLA became the largest firm in the world by headcount with over 4,000 attorneys, and opened an office in
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
through a partnership with Frieh Bouhenic.
In 2013-2014, the firm expanded to
Seoul
Seoul, officially Seoul Special Metropolitan City, is the capital city, capital and largest city of South Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's List of cities b ...
,
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
,
Namibia
Namibia, officially the Republic of Namibia, is a country on the west coast of Southern Africa. Its borders include the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the no ...
,
Algeria
Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...
and
Mexico City
Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and finan ...
.
In 2014, it named Simon Levine managing partner, Global co-Chair and Global co-CEO. His term was extended through 2024 to align with the appointment of Frank Ryan as Americas Chair, Global co-Chair and Global co-CEO in 2021.
In 2016, DLA Piper opened an office in
San Juan, Puerto Rico
San Juan ( , ; Spanish for "Saint John the Baptist, John") is the capital city and most populous Municipalities of Puerto Rico, municipality in the Commonwealth (U.S. insular area), Commonwealth of Puerto Rico, an unincorporated territory of the ...
. The Portuguese firm ABBC and the Danish firm LETT joined DLA Piper in March 2017. In 2019, DLA Piper opened its
Dublin
Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...
office. In 2023, DLA Piper entered into the digital space and launched TOKO, a blockchain-based tokenisation platform with its Aldersgate Digital Ledger Solutions (DLS) group.
In 2021, DLA Piper was the
third largest law firm in the United States by
revenue
In accounting, revenue is the total amount of income generated by the sale of product (business), goods and services related to the primary operations of a business.
Commercial revenue may also be referred to as sales or as turnover. Some compan ...
.
In June 2025, Former UK Prime Minister,
David Cameron
David William Donald Cameron, Baron Cameron of Chipping Norton (born 9 October 1966) is a British politician who served as Prime Minister of the United Kingdom from 2010 to 2016. Until 2015, he led the first coalition government in the UK s ...
, joined the law firm as a consultant.
Offices
DLA Piper has 80 offices in more than 40 countries across the Americas, Asia Pacific,
Australasia
Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...
, Europe, Africa and the Middle East.
Political contributions
DLA Piper employees were the twelfth-largest donor to President Barack Obama's
2012 re-election campaign. According to
OpenSecrets
OpenSecrets is a nonprofit organization based in Washington, D.C., that tracks and publishes data on campaign finance and lobbying, including a revolving door database which documents the individuals who have worked in both the public sector an ...
, DLA Piper employees donated $2.19 million to federal candidates during the 2012 election cycle, 73% to Democrats.
By comparison, during that same period
Akin Gump Strauss Hauer & Feld
Akin Gump Strauss Hauer & Feld LLP (known as Akin Gump or Akin) is an American multinational law firm headquartered in Washington, D.C. It is the second-largest lobbying firm in the United States by revenue.
History
The firm was founded in Dal ...
employees donated $2.56 million, 66% to Democrats,
[ while oil conglomerate ]ExxonMobil
Exxon Mobil Corporation ( ) is an American multinational List of oil exploration and production companies, oil and gas corporation headquartered in Spring, Texas, a suburb of Houston. Founded as the Successors of Standard Oil, largest direct s ...
employees donated $2.66 million, 88% to Republicans. Since 1990, DLA Piper has contributed $16.97 million to federal campaigns, and spent over $1 million on lobbying since 2002.
Controversy
In 2010, DLA Piper represented Paul Ceglia in his claim that he hired Mark Zuckerberg
Mark Elliot Zuckerberg (; born May 14, 1984) is an American businessman who co-founded the social media service Facebook and its parent company Meta Platforms, of which he is the chairman, chief executive officer, and controlling sharehold ...
to create a website that became Facebook
Facebook is a social media and social networking service owned by the American technology conglomerate Meta Platforms, Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates, Eduardo Saverin, Andre ...
and that under the agreement, Ceglia was entitled to ownership of 84 percent of Facebook, then worth multiple billions of dollars. Zuckerberg and Facebook responded that Ceglia had hired Zuckerberg to work on an unrelated site, but Ceglia had fraudulently altered that contract to make it appear to cover Facebook. A DLA Piper attorney told the ''Wall Street Journal
''The Wall Street Journal'' (''WSJ''), also referred to simply as the ''Journal,'' is an American newspaper based in New York City. The newspaper provides extensive coverage of news, especially business and finance. It operates on a subscriptio ...
'' that although he had not seen the original document, he had "absolutely 100% confidence that r. Ceglia'sagreement is authentic." Ceglia's document was later found to be fraudulent, and in 2014, Facebook and Zuckerberg sued DLA Piper and others, claiming Ceglia's lawyers "knew or should have known that the nitiallawsuit was a fraud." The suit was later dismissed.
In June 2020, Squire Patton Boggs filed ''Ferrellgas Partners LP et al. v. DLA Piper LLP US'' in Kansas, on behalf of former firm client Ferrellgas, for a breach of fiduciary duty.
Notable attorneys, advisors and staff
* José María Aznar
José María Alfredo Aznar López (; born 25 February 1953) is a Spanish politician who was the prime minister of Spain from 1996 to 2004. He led the People's Party (Spain), People's Party (PP), the dominant centre-right political party in Spai ...
, former Prime Minister of Spain
The prime minister of Spain, officially president of the Government (), is the head of government of Spain. The prime minister nominates the Spanish government departments, ministers and chairs the Council of Ministers (Spain), Council of Mini ...
, has been senior adviser to DLA Piper's Global Board since 2013
* James Blanchard
James Johnston Blanchard (born August 8, 1942) is an American attorney, diplomat, and politician who served as the 45th governor of Michigan from 1983 to 1991. A member of the Democratic Party (United States), Democratic Party, Blanchard previo ...
, former Governor of Michigan
The governor of Michigan is the head of government of the U.S. state of Michigan. The current governor is Gretchen Whitmer, a member of the Democratic Party, who was inaugurated on January 1, 2019, as the state's 49th governor. She was re-ele ...
and former U.S. Ambassador to Canada, has been partner since 1996
* Michael Castle, former Governor of Delaware, has been a partner at DLA Piper since 2011.
* Saxby Chambliss
Clarence Saxby Chambliss (; born November 10, 1943) is an American lawyer and retired politician who was a United States Senate, United States Senator from Georgia (U.S. state), Georgia from 2003 to 2015. A member of the Republican Party (Unite ...
, former US Senator, has been partner since 2015
* Bart Chilton, former US Commodity Futures Trading Commissioner, was senior policy adviser from 2014 to 2017
* Timothy Clement-Jones, Baron Clement-Jones, Liberal Democrat Peer and former spokesman for the Creative Industries in the House of Lords
The House of Lords is the upper house of the Parliament of the United Kingdom. Like the lower house, the House of Commons of the United Kingdom, House of Commons, it meets in the Palace of Westminster in London, England. One of the oldest ext ...
* Sir Nigel Knowles was managing partner from 1996 to 2015 and global co-chairman from 2015 to 2016.
* Simon Levine was Managing Partner and Global Co-CEO from 2015 to November 2024. He now leads DLA Piper's innovation and strategic transformation programme in a new role as Strategic Innovation Partner.
* Ray LaHood
Raymond H. LaHood ( ; born December 6, 1945) is an American politician who served as the 16th United States Secretary of Transportation from 2009 to 2013 under President Barack Obama. A member of the Republican Party, he previously served in the ...
, former secretary of the Department of Transportation, has been senior policy adviser since 2014
* Former US Senator George Mitchell was DLA Piper's chairman between 2003 and 2009 As of 2012, he is chairman ''emeritus''.
Notable former employees
* Dick Armey
Richard Keith Armey (; born July 7, 1940) is an American economist and politician. He was a United States House of Representatives, U.S. Representative from Texas's (1985–2003) and Party Leaders of the United States House of Representatives, ...
, former U.S. Representative from Texas's (1985–2003) and House Majority Leader (1995–2003)
* Rudi M. Brewster, former judge of the United States District Court for the Southern District of California
* Peter Bynoe, attorney and businessman who co-owned the Denver Nuggets
The Denver Nuggets are an American professional basketball team based in Denver. The Nuggets compete in the National Basketball Association (NBA) as a member of the Northwest Division (NBA), Northwest Division of the Western Conference (NBA), W ...
* Tom Daschle
Thomas Andrew Daschle ( ; born December 9, 1947) is an American politician and lobbyist who represented South Dakota in the United States Senate from 1987 to 2005. A member of the Democratic Party, he led the Senate Democratic Caucus during the ...
, former US Senator and US Senate Majority Leader
The positions of majority leader and minority leader are held by two United States senators and people of the party leadership of the United States Senate. They serve as chief spokespersons for their respective political parties, holding the ...
; policy adviser at DLA Piper, from December 2009 to October 2014.
* Steven J. Davis, earth system scientist at the University of California, Irvine
The University of California, Irvine (UCI or UC Irvine) is a Public university, public Land-grant university, land-grant research university in Irvine, California, United States. One of the ten campuses of the University of California system, U ...
* Douglas Emhoff
Douglas Craig Emhoff (born October 13, 1964) is an American lawyer who served as the Second ladies and gentlemen of the United States, second gentleman of the United States from 2021 to 2025. Married to the 49th vice president of the United St ...
, former Second Gentleman of the United States and spouse of former Vice President Kamala Harris
Kamala Devi Harris ( ; born October 20, 1964) is an American politician and attorney who served as the 49th vice president of the United States from 2021 to 2025 under President Joe Biden. She is the first female, first African American, and ...
* Jared Genser, international human rights attorney
* Miriam González Durántez, partner at DLA Piper, from 2006 to 2011; spouse of former deputy prime minister of the United Kingdom, Nick Clegg
Sir Nicholas William Peter Clegg (born 7 January 1967) is a British retired politician and media executive who served as Deputy Prime Minister of the United Kingdom from 2010 to 2015 and as Leader of the Liberal Democrats from 2007 to 2015. H ...
* A. B. Krongard, former executive director of the Central Intelligence Agency
The Central Intelligence Agency (CIA; ) is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and ...
and former chairman and CEO of Alex. Brown & Sons
* Jonathan Lisle, British D.J.
* Mel Martinez, partner and lobbyist
Lobbying is a form of advocacy, which lawfully attempts to directly influence legislators or government officials, such as regulatory agencies or judiciary. Lobbying involves direct, face-to-face contact and is carried out by various entities, in ...
for DLA Piper, after retiring as a U.S. Senator from Florida, during 2009 to 2010; Florida chairman for J.P. Morgan Chase & Co; co-chair of the Bipartisan Policy Center
The Bipartisan Policy Center (BPC) is a Washington, D.C.–based think tank that promotes bipartisanship. The organization aims to combine ideas from both the Republican and Democratic parties to address U.S. policy challenges.
History
BPC w ...
[ Bipartisan Policy Center's Housing Commission]
* Harry Cummings McPherson Jr., author, attorney and policymaker who served as counsel and special counsel to President Lyndon B. Johnson
Lyndon Baines Johnson (; August 27, 1908January 22, 1973), also known as LBJ, was the 36th president of the United States, serving from 1963 to 1969. He became president after the assassination of John F. Kennedy, under whom he had served a ...
, from 1965 to 1969, and as his chief speechwriter, from 1966 to 1969
* Paul Victor Niemeyer, judge of the United States Court of Appeals for the Fourth Circuit
The United States Court of Appeals for the Fourth Circuit (in case citations, 4th Cir.) is a United States federal court, federal court located in Richmond, Virginia, with appellate jurisdiction over the United States district court, district cou ...
and a former judge of the United States District Court for the District of Maryland
The United States District Court for the District of Maryland (in case citations, D. Md.) is the United States district court, federal district court whose jurisdiction is the state of Maryland. Appeals from the District of Maryland are taken ...
* Thomas C. Wheeler, judge of the United States Court of Federal Claims
The United States Court of Federal Claims (in case citations, Fed. Cl. or C.F.C.) is a United States federal courts, United States federal court that hears monetary claims against the Federal government of the United States, U.S. government. It ...
* Helen Winkelmann, first female partner, and youngest ever partner in 1988, and current Chief Justice of the Supreme Court of New Zealand.
See also
* List of largest United States–based law firms by head count
References
External links
*
{{DEFAULTSORT:Dla Piper
Law firms of the United Kingdom
Law firms of the United States
Privately held companies of the United States
Foreign law firms with offices in Hong Kong
Foreign law firms with offices in Japan
Foreign law firms with offices in the Netherlands
Law firms established in 2005
2005 establishments in the United Kingdom
2005 establishments in the United States
Law firms based in London
Multinational law firms