Jacob M. Mattinson focuses his practice on employee benefits and matters related to 401(k), 403(b), pension, executive compensation, health care reform, and cafeteria and welfare plans.

Jacob assists clients in drafting employee benefit plan documents and amendments. He represents clients in matters before the Internal Revenue Service (IRS), US Department of Labor (DOL) and Pension Benefit Guaranty Corporation with respect to plan qualification issues. He also counsels privately and publicly held corporations and tax-exempt entities on a variety of benefits and Employee Retirement Income Security Act (ERISA) issues, including ERISA fiduciary issues, compliance with the Affordable Care Act and the Health Insurance Portability and Accountability Act (HIPAA), ERISA implications in corporate transactions, ERISA administrative claims and appeals, and executive compensation matters.

While in law school, Jacob was editor in chief of the Penn State Law Review. In addition, Jacob served as a legal intern for the Honorable Judge Renee Cohn Jubelirer of the Commonwealth Court of Pennsylvania. Jacob is the Chairperson of the Young Professionals Board of Equip for Equality. Internally, Jacob serves on the Firm’s Pro Bono and Community Service Committee.

Allison Wilkerson focuses her practice on employee benefits matters. She has extensive experience handling issues pertaining to the Employee Retirement Income Security Act of 1974 (ERISA) and employee stock ownership plans (ESOPs).

With respect to ERISA, Allison focuses on compliance issues and the Internal Revenue Code related to employee benefits, including qualified plans, nonqualified plans, and executive and deferred compensation. While advising employers on the design, implementation and administration of tax-qualified retirement plans and nonqualified retirement plans, Allison provides relevant guidance as to administrative and operational matters, and assists clients with various benefit plan correction programs offered by the Department of Labor (DOL) and Internal Revenue Service (IRS). Allison also has advised employers with respect to issues raised in connection with corporate mergers, acquisitions and divestitures as they relate to the various benefit plans maintained by the affected corporate entity or entities.

Allison focuses her ESOP practice on the design and implementation of ESOP transactions and provides ongoing legal counsel to ESOP-owned companies. She has been involved in hundreds of transactions, including leveraged buyouts, mergers, acquisitions, and the structuring and financing of ESOPs using private equity. She has advised employers on the implementation of nonqualified plans and executive compensation arrangements that complement the employee ownership structure and culture inherent in an ESOP-owned company. Allison also represents independent fiduciaries in their role as purchaser in an ESOP transaction as to their legal duties with respect to their representation of ESOP participants and beneficiaries.

Allison writes and speaks frequently on ERISA and ESOP issues.

Provides multijurisdictional counsel on IP portfolio strategy, including patent prosecution, transactions, and disputes

Focuses on biomedical engineering and life sciences technologies

Handles transactional IP matters, including transaction structuring; portfolio due diligence; and negotiation of collaboration, license, and joint venture agreements

Supports transatlantic disputes, including US district court cases, PTAB proceedings, reexaminations, EPO oppositions, and UPC litigation

Stephen (Steve) P. Kranz is a tax lawyer who solves tax problems differently. Over the course of his extensive career, Steve has acquired specific skills and developed a unique approach that helps clients develop and implement holistic solutions to all varieties of tax problems. He combines strategic thinking with effective skills for the courtroom, the statehouse and the conference room.

Steve helps clients prevent and resolve tax problems throughout their life cycle, starting with tax planning, compliance, financial statement implication analysis, audit defense and litigation, legislative monitoring and advocacy, and the formation and leadership of taxpayer coalitions. Steve developed many of these techniques as a litigator for the US Department of Justice, Tax Division, as chief counsel for the District of Columbia’s Office of Tax and Revenue, and further refined them during his tenure as general counsel for the Council on State Taxation (COST).

Steve practices at the forefront of state and local tax issues, including developments in the world of cloud computing, artificial intelligence such as ChatGPT and digital goods and services. He helps clients understand tax threats and opportunities, and develop holistic solutions, no matter the tax issues or jurisdiction. He also brings this same skill set to the highly challenging world of unclaimed property.

Steve represents Fortune 100 companies in litigation while working to address the larger tax policy questions through state legislatures, the US Congress, the National Conference of State Legislatures, the National Governors Association, the Multistate Tax Commission and the Streamlined Sales Tax Governing Board. His background has taught him that standalone litigation is not always the most efficient manner of solving a tax problem or preventing its spread – thus, he often works to address problems by taking advantage of tax policy points of entry offered by state and local governments.

Steve has authored articles for professional publications, speaks at national conferences and is interviewed frequently by journalists covering state and local tax developments. He has appeared before the US House Judiciary Committee as an expert on alternative approaches to the Internet Sales Tax issues, and in a similar capacity before other government agencies. Steve serves as outside counsel on state tax and unclaimed property matters for the Entertainment Software Association, the National Retail Federation, the Retail Industry Leaders Association and CompTIA.

Mary Kay McCalla Martire focuses her practice on a wide variety state and local tax issues. She advises clients on matters related to sales tax, with an emphasis on the sale of digital products. In addition, she advises business clients on income tax apportionment and remote employee withholding obligations. Mary Kay counsels individual clients on residency and income sourcing questions, and frequently advises captives and their insureds on direct procurement tax issues. She also has experience with state and local utility and telecommunications tax matters.

Mary Kay has an extensive litigation background in state and federal court, as well as administrative tribunals. She has particular experience in the defense of qui tam (whistleblower) claims filed in the state tax arena and has won the dismissal of many Illinois False Claims Act cases. Mary Kay played a key role in many of the reported decisions issued by the Illinois appellate court in this area. She also has experience defending clients against class action and consumer fraud claims.

Mary Kay also has represented clients in a number of state insurance tax litigation matters, including serving as the principal trial attorney for a group of insurance companies that successfully challenged the constitutionality of the Illinois Privilege Tax (Milwaukee Safeguard Ins. Co. v. Selky, 179 Ill.2d 94 (1997)).

Mary Kay serves as Co-Chair of the Chicago Office Pro Bono Committee. She is actively engaged in a number of pro bono matters, including the representation of not for profits seeking sales and property tax exemptions, and serving as a guardian ad litem in child custody disputes. In 2014, Mary Kay was awarded one of McDermott’s Chicago Office pro bono service awards. In addition, she is an editor of the Firm’s State Tax Blog, InsideSALT.com.

Charles (Chuck) Moll focuses his practice on state and local tax (SALT), primarily concentrating on the resolution of tax controversies. He regularly appears before the various California tax authorities—including the State Board of Equalization, the California Franchise Tax Board, the California Department of Tax and Fee Administration, and the Office of Tax Appeals—as well as local authorities such as assessors and assessment appeals boards. He has litigated at all levels of California’s courts, the US Tax Court, and the US Supreme Court.

Chuck’s practice includes tax matters in other states, as well as federal tax controversies, including representation of clients in federal courts and at appellate hearings before the Internal Revenue Service.

Charles (Chuck) Moll focuses his practice on state and local tax (SALT), primarily concentrating on the resolution of tax controversies. He regularly appears before the various California tax authorities—including the State Board of Equalization, the California Franchise Tax Board, the California Department of Tax and Fee Administration, and the Office of Tax Appeals—as well as local authorities such as assessors and assessment appeals boards. He has litigated at all levels of California’s courts, the US Tax Court, and the US Supreme Court.

Chuck’s practice includes tax matters in other states, as well as federal tax controversies, including representation of clients in federal courts and at appellate hearings before the Internal Revenue Service.

Carol A. Harrington advises clients on a variety of matters, including estate, gift and generation-skipping tax issues, closely held businesses and succession planning, family office structures and issues, private trust companies, private foundations, trust and estate administration, and contested trust and tax matters. Carol is the former global head of McDermott’s Private Client Practice.

As a national authority on the federal generation-skipping tax, Carol has advised attorneys, tax professionals, executors, trustees and other nationwide on this issue. She is co-author of a tax treatise, Generation-Skipping Transfer Tax (Harrington, Kwon & Zaritsky), the author of the BNA Tax Management Portfolio, Generation-Skipping Transfer Tax, and has published many articles on the federal generation-skipping tax. Carol speaks frequently before professional and industry groups on tax, estate planning and succession issues.

Carol A. Harrington advises clients on a variety of matters, including estate, gift and generation-skipping tax issues, closely held businesses and succession planning, family office structures and issues, private trust companies, private foundations, trust and estate administration, and contested trust and tax matters. Carol is the former global head of McDermott’s Private Client Practice.

As a national authority on the federal generation-skipping tax, Carol has advised attorneys, tax professionals, executors, trustees and other nationwide on this issue. She is co-author of a tax treatise, Generation-Skipping Transfer Tax (Harrington, Kwon & Zaritsky), the author of the BNA Tax Management Portfolio, Generation-Skipping Transfer Tax, and has published many articles on the federal generation-skipping tax. Carol speaks frequently before professional and industry groups on tax, estate planning and succession issues.

Erin Fraser focuses his practice on private client matters. He advises global and US family offices and ultra-high-net-worth individuals on strategic planning around wealth transfers and preservation, including the formation of trusts and new entities to hold real estate or other investments, the establishment and management of private trust companies, information and beneficial ownership reporting, and charitable entities and giving.

Erin has written for trade publications and has been quoted in popular media, including the Wall Street Journal, Forbes, Consumer Reports, Bloomberg, the California Tax Lawyer, and BNA Tax Planning International Review. While in law school, Erin was editor in chief of the Minnesota Journal of International Law.

Provides multijurisdictional counsel on IP portfolio strategy, including patent prosecution, transactions, and disputes

Focuses on biomedical engineering and life sciences technologies

Handles transactional IP matters, including transaction structuring; portfolio due diligence; and negotiation of collaboration, license, and joint venture agreements

Supports transatlantic disputes, including US district court cases, PTAB proceedings, reexaminations, EPO oppositions, and UPC litigation