Bill’s legal work focuses on immigration and nationality law, as well as outbound emigration and related international law. He regularly represents clients in immigration matters before the US Citizenship and Immigration Services (USCIS) and the Department of Labor, as well as before US and foreign consulates.
During law school, he served on the editorial board of the Houston Journal of International Law.
viewpoints
DHS Rescinds 2022 Public Charge Regulation in Favor of Policy Guidance
July 20, 2026 | Alert | By William Coffman
Learn about a new DHS final rule that revises the “public charge” ground of inadmissibility for applicants for Adjustment of Status and immigrant visas.
The New H-1B Weighted Lottery: What Employers Need to Know
January 13, 2026 | Webinar | By John Quill, William Coffman, Maryanne Kline
Join John Quill, Bill Coffman, and Maryanne Kline of Mintz's Immigration Section for a timely discussion on the newly published H-1B registration rule introducing a weighted lottery based on skill and wage level.
New $1,000 Parole Fee Does Not Apply to Travel on Advance Parole with Pending I-485 Adjustment of Status
November 5, 2025 | Alert | By William Coffman
This alert looks at the new DHS guidance on exceptions to the $1,000 parole fee that was introduced by the One Big Beautiful Bill Act.
DHS Publishes Interim Final Rule to Eliminate Auto-Extensions for Certain Timely Filed Extensions of Employment Authorization Documents
October 30, 2025 | Alert | By William Coffman
This alert covers the October 30 DHS Interim Final Rule that immediately ends automatic extensions of Employment Authorization Documents (EADs) for key categories.
US Department of Homeland Security Publishes Proposed Rule to Limit F-1, J-1, and I-visa Admissions
September 5, 2025 | Alert | By William Coffman, Maryanne Kline, John Quill
This alert covers the proposed changes and potential impacts of the Department of Homeland Security’s Notice of Proposed Rulemaking entitled “Establishing a Fixed Time Period of Admission and an Extension of Stay Procedure for Nonimmigrant Academic Students, Exchange Visitors, and Representatives of Foreign Information Media.”
Navigating the New Alien Registration Rules: What You Need to Know
April 8, 2025 | Webinar | By John Quill, William Coffman, Maryanne Kline
On March 12, 2025, the Department of Homeland Security (DHS) issued an interim final rule (IFR) implementing an Alien Registration requirement. This rule, effective April 11, 2025, is based on President Trump’s January 20, 2025, Executive Order titled, “Protecting the American People Against Invasion.” Section 7 of this Executive Order titled, “Identification of Unregistered Illegal Aliens,” instructs that “unregistered” aliens must comply with a 1952 statute that mandates the registration and fingerprinting of certain unregistered foreign nationals in the United States. This webinar provides guidance on navigating these new requirements.
US Department of Homeland Security Publishes H-1B Modernization Rule
December 20, 2024 | Alert | By William Coffman
Read about a DHS final rule, which takes effect in January and is designed to enhance the H-1B program's efficiency, flexibility, and integrity while providing clearer guidelines and protections for US workers.
Qatar Added to List of ESTA/Visa Waiver Eligible Countries
September 27, 2024 | Alert | By William Coffman
Read about the implications of the addition of Qatar to the updated list of countries eligible for the Visa Waiver Program published by DHS in consultation with the Department of State.
Update: USCIS Poised to Increase Immigration Filing Fees
January 24, 2024 | Alert | By Juan Steevens, William Coffman
The White House Office of Information and Regulatory Affairs received the final rule outlining the increased fees for US Citizenship and Immigration Services filings. OIRA has 90 days to complete its review, but the Biden administration may prioritize a final rule sooner.
US Government Shutdown – Effects on E-Verify and the I-9 Process
September 28, 2023 | Alert | By John Quill, William Coffman, Juan Steevens
Read about how a partial government shutdown could impact employers’ onboarding processes, particularly in relation to the Employment Eligibility Verification (Form I-9) and DHS’s E-Verify system.
News & Press
Mintz is pleased to announce that 143 attorneys were recognized in the 2027 editions of The Best Lawyers in America and Best Lawyers: Ones to Watch® in America. The firm had 104 attorneys recognized in Best Lawyers and 39 recognized in Ones to Watch. In addition, four Mintz attorneys received the prestigious “Lawyer of the Year” designation, an honor awarded to only one attorney per practice area and geographic region.
Chambers USA has recognized 43 of Mintz’s practices and 88 of its attorneys in its 2025 guide to the country’s leading law firms. Of those featured in the guide, 17 attorneys and seven practice areas were awarded Chambers’ highest ranking, Band 1. The firm expanded its rankings this year with three new practice area listings and 17 attorneys recognized for the first time or in additional categories.
USCIS Fee Increases May Have Unintended Consequences
February 15, 2024|
Mintz is pleased to announce that 120 firm attorneys have been recognized as leaders by Best Lawyers® in the 2024 edition of The Best Lawyers in America©.
Twenty-Eight Mintz Attorneys Named To Boston Magazine’s Top Lawyers List
November 22, 2022|
One Hundred Mintz Attorneys Ranked as Leaders by Best Lawyers 2020
August 15, 2019|
Immigration Compliance Essentials For 2019
January 22, 2019|
Events & Speaking
Immigration Compliance & Risk Management Webinar Series
Part II: Creating Compliance Policies for a New Era
Immigration Compliance & Risk Management Webinar Series
Part I: Keeping DHS in Your Sights: Site Visits & Record Keeping
2018 AILA Employer Compliance and Worksite Enforcement CLE Conference
Sheraton Boston Hotel, 39 Dalton St., Boston, MA
Employment-based Immigration: Talent Acquisition, Retention & Compliance under a New Administration
Mintz Levin
San Diego, CA
A Round-up of Recent Immigration Law Changes and a Roadmap for Compliance in a New Administration
Mintz Levin
New York, NY
Recognition & Awards
Best Lawyers in America: Immigration Law (2013 – 2027); Lawyer of the Year (2025)
Chambers USA: Massachusetts – Immigration (2021 – 2026)
Recommended by The Legal 500 United States for Labor & Employment: Immigration (2014, 2020 – 2025)
International Who’s Who of Corporate Immigration Lawyers (2016 – 2019)
Top Author in the semiconductor industry, JD Supra Readers' Choice Awards (2016)
Boston Magazine: Top Lawyers – Immigration (2021)
Involvement
- Panelist, AILA's Employment-Based Green Card Applications: Considerations and Strategies webinar
- Member, Boston Bar Association
- Member, American Immigration Lawyers Association


