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David E. Isaacson

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  • Biography
  • Polsinelli at Work Blog
  • Publications

Publications

December 09, 2025 Updates
New Year, New Dependent Care FSA Limits: Don’t Forget to Amend Your Plan!
July 18, 2025 Updates
A Quick Look at Benefits and Executive Compensation Provisions in the One Big Beautiful Bill
May 20, 2025 Updates
Pressing Pause: Federal Agencies Halt Enforcement of Mental Health Parity Rule
January 28, 2025 Updates
Complying with the ACA Disclosure Requirements Just Got a Whole Lot Easier!
October 2018 Updates
IRS Issues New Guidance on Using 401(k) Plan Contributions to Reward Student Loan Repayments
December 2017 Updates
‘Tis the Season for ACA Penalties
September 2017 Updates
TPAs, Plan Fiduciaries Should React Proactively to U.S. Department of Labor Settlement
Biography
Polsinelli at Work Blog
Publications
Firm Highlights
Slide 1 of 6
  • Event
    Doctor, Doctor, Give Me the News | Hot Town, Summer in the City: What the Washington is Going On?! - Webinar Series
    Join Polsinelli's public policy team for a three-part lunch and learn series to hear what they’re watching in federal oversight and health care policy this season.
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  • Blog
    New York State is Set to Impose New Requirements for Separation Agreements
    Read more
  • News
    Polsinelli Adds Timothy Ayotte in Boston, Strengthening Life Sciences Corporate & Transactional Capabilities
    Polsinelli is pleased to announce that Timothy Ayotte has joined the firm as a shareholder in its Boston office, strengthening the firm’s corporate and transactional depth for life sciences, biotechnology and health care companies. 
    Read more
  • Publication
    2027 OPPS Proposed Rule: Mandatory Provider-Based Attestations Signal a New Compliance Era
    Last week, the Centers for Medicare & Medicaid Services (CMS) published proposed rules mandating the submission of provider-based attestations for off-campus hospital outpatient departments as part of the 2027 Outpatient Prospective Payment System (OPPS) Proposed Rule (Proposed Rule). 
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  • Publication
    Federal Circuit Finds Method-of-Treatment Claims Including In Vivo Dosing Limitations Are Not Enabled By In Vitro Data
    In Wyeth LLC v. AstraZeneca Pharmaceuticals LP, the Federal Circuit affirmed judgment as a matter of law that Wyeth's method-of-treatment claims were invalid for lack of enablement, wiping out a $107.5 million jury verdict over AstraZeneca's Tagrisso®. 
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  • Event
    When Websites Become Litigation Targets | Digital Risk and Innovation Summit Series
    Websites can be valuable business assets, but their public availability makes them easy targets for litigation. 
    Read more
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