Abigail Colella Senior Associate, Supreme Court and Appellate
Washington, D.C.
Washington, D.C.
Washington, D.C.
Abby has authored briefs in the U.S. Supreme Court, federal courts of appeals, and federal and state trial courts. She specializes in communicating complex technological concepts to judges of all backgrounds, and her work spans a wide range of topics and industries—from cutting-edge patent issues to the intricacies of the DMCA.
Abby also represents internet and digital media companies in litigation related to online speech, with a particular focus on Section 230 of the Communications Decency Act. Her recent successes include arguing and winning a Ninth Circuit appeal raising novel state action issues.
Prior to joining Orrick, Abby served as a law clerk to Judge Timothy B. Dyk of the United States Court of Appeals for the Federal Circuit.
Washington, D.C.
Washington, D.C.
Abby has authored briefs in the U.S. Supreme Court, federal courts of appeals, and federal and state trial courts. She specializes in communicating complex technological concepts to judges of all backgrounds, and her work spans a wide range of topics and industries—from cutting-edge patent issues to the intricacies of the DMCA.
Abby also represents internet and digital media companies in litigation related to online speech, with a particular focus on Section 230 of the Communications Decency Act. Her recent successes include arguing and winning a Ninth Circuit appeal raising novel state action issues.
Prior to joining Orrick, Abby served as a law clerk to Judge Timothy B. Dyk of the United States Court of Appeals for the Federal Circuit.
San Francisco
San Francisco
Karen focuses on litigation that crosses the boundaries between traditional legal practices, and therefore requires inventive and strategic approaches. These solutions, tucked in the creases between law and industry, are why leading technology and Fortune 500 companies hire Karen to resolve their most complex litigation matters.
Over the past 36 years, Karen has first-chaired state and federal trials, and arbitrated more than a dozen disputes. She has managed intellectual property and commercial disputes for companies such as Oracle, NVIDIA, Netflix and VMWare.
In addition to her legal background, Karen’s relationship management skills give her clients a significant advantage. She knows how to pull together and lead the best team, from multiple disciplines within Orrick, and often involving multiple law firms. Able to unite what were, and will be, competing firms into a single powerful unit takes a special type of leadership, one which Karen has demonstrated time and again.
San Francisco
San Francisco
Karen focuses on litigation that crosses the boundaries between traditional legal practices, and therefore requires inventive and strategic approaches. These solutions, tucked in the creases between law and industry, are why leading technology and Fortune 500 companies hire Karen to resolve their most complex litigation matters.
Over the past 36 years, Karen has first-chaired state and federal trials, and arbitrated more than a dozen disputes. She has managed intellectual property and commercial disputes for companies such as Oracle, NVIDIA, Netflix and VMWare.
In addition to her legal background, Karen’s relationship management skills give her clients a significant advantage. She knows how to pull together and lead the best team, from multiple disciplines within Orrick, and often involving multiple law firms. Able to unite what were, and will be, competing firms into a single powerful unit takes a special type of leadership, one which Karen has demonstrated time and again.
Sacramento; San Francisco
Sacramento; San Francisco
In doing so, Julie closely collaborates with each client, gathering an in-depth understanding of their specific tensions, challenges and objectives. Legal 500 noted she “truly understands corporate politics and works with in-house counsel to understand the intersections of legal advice and business objectives.” Julie then draws upon nearly three decades of experience to guide clients towards the best possible resolution. Her client-focused approach is one of many reasons she was selected to lead Orrick’s global employment practice, which Chambers ranks as one of the country’s foremost practices and describes Julie as “a big thinker and a thought leader.”
Julie has experience defending both class actions and individual plaintiff cases. She has successfully defended clients in trial and arbitration and helps clients with all types of employment matters, including complex wage-and-hour class, collective and representative actions; pay equity and promotion cases; whistleblower retaliation actions, discrimination, harassment and retaliation litigation and trade secret and non-compete matters. She also guides clients through systemic government investigations and audits. Julie is proactive in helping clients avoid litigation by assisting them with the development of policies and practices designed to minimize exposure, including advice and counselling work in the areas of AI and DEI in selection and recruiting.
Julie is honored to be a Fellow of the College of Labor and Employment and a member of the American Employment Law Council. She also served as a Council Member of the American Bar Association Labor and Employment Law Section.
Sacramento; San Francisco
Sacramento; San Francisco
In doing so, Julie closely collaborates with each client, gathering an in-depth understanding of their specific tensions, challenges and objectives. Legal 500 noted she “truly understands corporate politics and works with in-house counsel to understand the intersections of legal advice and business objectives.” Julie then draws upon nearly three decades of experience to guide clients towards the best possible resolution. Her client-focused approach is one of many reasons she was selected to lead Orrick’s global employment practice, which Chambers ranks as one of the country’s foremost practices and describes Julie as “a big thinker and a thought leader.”
Julie has experience defending both class actions and individual plaintiff cases. She has successfully defended clients in trial and arbitration and helps clients with all types of employment matters, including complex wage-and-hour class, collective and representative actions; pay equity and promotion cases; whistleblower retaliation actions, discrimination, harassment and retaliation litigation and trade secret and non-compete matters. She also guides clients through systemic government investigations and audits. Julie is proactive in helping clients avoid litigation by assisting them with the development of policies and practices designed to minimize exposure, including advice and counselling work in the areas of AI and DEI in selection and recruiting.
Julie is honored to be a Fellow of the College of Labor and Employment and a member of the American Employment Law Council. She also served as a Council Member of the American Bar Association Labor and Employment Law Section.
Paris
Marc advises investment funds, industrial groups, listed companies, and startups, both French and international, on all aspects of business law, particularly in the context of acquisitions, disposals, mergers, reorganizations, and strategic partnerships.
He is particularly active in the infrastructure, renewable energy, and new technology sectors, both in France and internationally.
In 2025, the international guide Legal 500 EMEA named him in the Key Lawyer category in Private equity: LBO and commented "high-quality deliverables; clear, didactic communication; strong proposals; proactive" and "serious while being relaxed in interactions, appreciable in the execution phase under pressure".
Paris
Marc advises investment funds, industrial groups, listed companies, and startups, both French and international, on all aspects of business law, particularly in the context of acquisitions, disposals, mergers, reorganizations, and strategic partnerships.
He is particularly active in the infrastructure, renewable energy, and new technology sectors, both in France and internationally.
In 2025, the international guide Legal 500 EMEA named him in the Key Lawyer category in Private equity: LBO and commented "high-quality deliverables; clear, didactic communication; strong proposals; proactive" and "serious while being relaxed in interactions, appreciable in the execution phase under pressure".
New York
Sumaia is experienced in inter partes review proceedings and IP due diligence, including matters involving pharmaceuticals, software, electronics, and medical devices. She also has a strong technical background from her prior work as a systems engineer, and has supported projects involving complex technologies.
New York
Sumaia is experienced in inter partes review proceedings and IP due diligence, including matters involving pharmaceuticals, software, electronics, and medical devices. She also has a strong technical background from her prior work as a systems engineer, and has supported projects involving complex technologies.
New York
Ned focuses on appellate litigation. He has authored successful merits briefs and petitions for certiorari in the U.S. Supreme Court, as well as dozens of briefs in federal and state appellate courts. Ned's work has covered a wide range of subject areas, including patent, constitutional law, and complex commercial litigation. He has also counseled Fintech clients on novel issues confronting the industry.
Ned maintains an active pro bono practice focused on immigration and criminal justice matters, including a successful appeal in the Second Circuit that vacated an arbitrary change to the meaning of "moral turpitude" under the Immigration and Nationality Act.
Prior to joining Orrick, Ned served as a law clerk to Judge Robert Sack of the U.S. Court of Appeals for the Second Circuit and Judge Kimba Wood of the U.S. District Court for the Southern District of New York. During law school, he served as an Articles Editor for the Yale Law Journal.
New York
Ned focuses on appellate litigation. He has authored successful merits briefs and petitions for certiorari in the U.S. Supreme Court, as well as dozens of briefs in federal and state appellate courts. Ned's work has covered a wide range of subject areas, including patent, constitutional law, and complex commercial litigation. He has also counseled Fintech clients on novel issues confronting the industry.
Ned maintains an active pro bono practice focused on immigration and criminal justice matters, including a successful appeal in the Second Circuit that vacated an arbitrary change to the meaning of "moral turpitude" under the Immigration and Nationality Act.
Prior to joining Orrick, Ned served as a law clerk to Judge Robert Sack of the U.S. Court of Appeals for the Second Circuit and Judge Kimba Wood of the U.S. District Court for the Southern District of New York. During law school, he served as an Articles Editor for the Yale Law Journal.