Diana Erbsen > DLA Piper LLP (US) > New York, United States > Lawyer Profile
DLA Piper LLP (US) Offices

1251 6TH AVE,
NEW YORK, NY 10020-1104
NEW YORK
United States
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Diana Erbsen

Work Department
Tax
Position
Partner
Education
LL.M., New York University; J.D., Northeastern University; B.A., Amherst College
Lawyer Rankings
United States > Tax > US taxes: contentious
(Leading partners)DLA Piper LLP (US) sees continued expansion in the breadth of its tax controversy offering, with the team active in all aspects of sophisticated, challenging tax disputes, at the international, federal, state, and local levels. The firm has a strong SALT capability, headed up by Naftali Dembitzer and David Pope in New York, along with Hugh Goodwin in Palo Alto. The broader tax practice is led from New York office by Diana Erbsen and Ellis Reemer, who both have experience in senior leadership positions in the DOJ’s Tax Division and the IRS Advisory Council, as well as in the IRS Office of Chief Counsel. Henry Cheng in San Francisco is a prominent tax litigator, with recent work encompassing a complex bankruptcy dispute for medical technology company UpHealth Holdings, a significant Tax Court win concerning death benefit proceeds from life insurance policies, and a major cross-border transfer pricing dispute. Victoria Gu in Palo Alto is also a key contributor to the practice. In 2024, the firm hired transfer pricing expert Steve Dixon in Washington DC from Steptoe LLP.
Lawyer Rankings
- Leading partners United States > Tax > US taxes: contentious
- US taxes: contentious United States > Tax
Top Tier Firm Rankings
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Tax > Financial products
- Tax > International tax
- Real estate > Land use/zoning
- Healthcare > Life sciences
- Healthcare > Life sciences
- Healthcare > Life sciences
- Healthcare > Life sciences
- Media, technology and telecoms > Outsourcing
- Intellectual property > Patents: licensing
- Intellectual property > Patents: litigation (International Trade Commission)
- M&A/corporate and commercial > Private equity buyouts: middle-market (Up to $500m)
- Dispute resolution > Product liability, mass tort and class action - defense: pharmaceuticals and medical devices
- Dispute resolution > Product liability, mass tort and class action - defense: toxic tort
- Finance > Project finance
- Real estate > Real estate
- Government > State attorneys general
- Media, technology and telecoms > Telecoms and broadcast: regulatory
- Media, technology and telecoms > Telecoms and broadcast: transactions
- Tax > US taxes: contentious
Firm Rankings
- Media, technology and telecoms > Advertising and marketing: transactional and regulatory
- Insurance > Advice to insurers
- Industry focus > Cannabis
- Dispute resolution > E-discovery
- Labor and employment > Employee benefits, executive compensation and retirement plans: design
- Finance > Fintech
- Insurance > Insurance: non-contentious
- Healthcare > Life sciences
- Dispute resolution > M&A litigation: defense
- Media, technology and telecoms > Media and entertainment: transactional
- International trade and national security > National Security
- Intellectual property > Patents: litigation (full coverage)
- Dispute resolution > Product liability, mass tort and class action - defense: automotive/transport
- Dispute resolution > Product liability, mass tort and class action - defense: consumer products (including tobacco)
- Real estate > Real estate investment trusts (REITs)
- Energy > Renewable/alternative power
- Finance > Structured finance: securitization
- Media, technology and telecoms > Technology transactions
- Intellectual property > Trademarks: non-contentious (including prosecution, portfolio management and licensing)
- M&A/corporate and commercial > Venture capital and emerging companies
- Labor and employment > Workplace and employment counseling
- Media, technology and telecoms > Advertising and marketing: litigation
- Antitrust > Cartel
- Antitrust > Civil litigation/class actions: defense
- Intellectual property > Copyright
- M&A/corporate and commercial > Corporate governance
- Environment > Environment: litigation
- Environment > Environment: regulatory
- Environment > Environment: transactional
- Dispute resolution > International litigation
- Labor and employment > Labor and employment disputes (including collective actions)
- Labor and employment > Labor-management relations
- Intellectual property > Patents: prosecution (including re-examination and post-grant proceedings)
- Dispute resolution > Securities litigation: defense
- Intellectual property > Trademarks: litigation
- Tax > US taxes: non-contentious
- Finance > Capital markets: equity offerings
- International trade and national security > CFIUS
- Finance > Commercial lending > Advice to direct lenders/private credit
- Real estate > Construction (including construction litigation)
- Labor and employment > Employee benefits, executive compensation and retirement plans: transactional
- Energy > Energy regulation: oil and gas
- Dispute resolution > General commercial disputes
- Government > Government contracts
- Dispute resolution > International arbitration
- Investment fund formation and management > Private equity funds (including venture capital)
- Healthcare > Service providers
- Intellectual property > Trade secrets (litigation and non-contentious matters)
- M&A/corporate and commercial > M&A: large deals ($1bn+)
- Finance > Restructuring (including bankruptcy): corporate
- Dispute resolution > Corporate investigations and white-collar criminal defense
- Transport > Rail and road: litigation and regulation