Medical Devices & Combination Products

To ensure success in today’s rapidly evolving medical technology industry, companies must recognize and be prepared for a dynamic regulatory landscape. Greenleaf’s unmatched knowledge of the FDA regulatory process and emerging trends equips companies of various sizes, stages, and industry segments with a trusted partner as they navigate the complexities of bringing medical technologies to market and manufacturing them to FDA quality standards.

Our Medical Device & Combination Products Services

Strategic Regulatory Guidance


Greenleaf guides clients through the complete regulatory process, from the earliest stages of product development, through the FDA review process, to marketing authorization and compliance with postmarket requirements and quality systems.

Our strategic consultation encompasses all aspects of development, clearance and approval, and marketing of FDA-regulated products:

  • FDA regulatory policies, programs, and procedures
  • Product development
  • Premarket review
  • Postmarket safety requirements
  • Market analysis for potential competition

Greenleaf provides specialized insight on:

  • FDA policies and procedures
  • User fee requirements
  • Medical device advisory panel decisions and meeting preparation
  • Implementation of new FDA legislation, regulations, guidance documents, and FDA standard operating procedures

Premarket Review Process


We apply extensive FDA experience to determine the best regulatory approach for a product and develop a comprehensive strategy to achieve a successful result. Our premarket review capabilities include:

  • Scientific and regulatory strategies for clinical programs and regulatory submissions
  • Recommendations and preparation for FDA meetings, including medical device advisory panel meetings
  • FDA communications, including formal, in-person, and regulatory correspondence

Marketing and Promotional Practices


Greenleaf supports medical device firms with strategic review and guidance related to:

  • Labeling requirements
  • Promotional materials
  • Direct-to-consumer advertising review processes
  • Use of social media
  • Remediation of untitled and warning letters

Litigation Support


Greenleaf’s deep bench of experts work closely with litigators representing FDA-regulated clients in a wide array of disputes involving complex FDA issues related to medical devices and can provide authoritative, objective expert opinions that may make a difference in how disputes are resolved.

Greenleaf can offer litigators a high-level institutional knowledge of the FDA as well as more granular expertise regarding FDA regulation of a variety of medical product types across the product lifecycle. In addition, our team is experienced in providing:

  • Expert declarations
  • Expert reports
  • Deposition testimony
  • Trial testimony

With decades of experience working at the FDA in senior positions, Greenleaf professionals have the knowledge and qualifications required to explain and clarify FDA regulatory issues for our clients, the courts, and juries and are credible, persuasive expert witnesses. We offer in-depth expertise on:  

  • Medical device product development
  • Premarket review process
  • Manufacturing
  • Product quality and safety
  • Compliance
  • Enforcement

Greenleaf’s team has worked with litigators engaged in a variety of disputes, including:

  • Complex commercial litigation
  • Unfair competition/false advertising cases
  • Intellectual property litigation
  • Product liability class actions
  • Securities class actions

Advisory Services


Experts from Greenleaf’s Medical Device and Combination Products Team provide advisory services that include extensive research and due diligence for investors engaged in potential deals that require regulatory risk analyses before and after decisions and transactions.

Learn more about Greenleaf’s Advisory services

Success Stories

  • Providing Litigation Support That Led to a Favorable Judgment for a Device Start-Up Firm

    A medical device start-up was involved in a commercial dispute against a large multinational device manufacturer and sought Greenleaf Health’s services as an expert witness and consultant on the FDA regulatory grounds for the case. Greenleaf’s litigation support team prepared an expert report that reinforced the client’s arguments regarding the likelihood that the FDA would …

  • Planning and Supporting a Regulatory Strategy for De Novo and 510(k) Submissions

    Greenleaf Health provided strategic and tactical advice to an early-stage start-up regarding their premarket submissions for a novel wound retraction system after the FDA determined that the company would need to follow the de novo pathway. The Greenleaf team assisted the company with development and submission of a de novo classification request for their product. …

  • Medical Device Auditing and Certification for Compliance with FDA Guidelines

    Greenleaf was selected by a multinational medical device company to serve as an independent GMP and Medical Device Reporting (MDR) expert. In this role, Greenleaf was made responsible for performing initial audits and procedural reviews at the company’s locations in the U.S. and Asia. Greenleaf’s work started with a review of company policies and procedures; …

  • Contributing a Chapter on In Vitro Diagnostics to an FDLI Book Publication

    Greenleaf Health was invited by a partner at a prominent D.C. law firm to write a chapter on in vitro diagnostics (IVDs) for inclusion in a book to be published by the Food and Drug Law Institute (FDLI). In vitro diagnostics have become an increasingly large part of Greenleaf’s portfolio of regulatory services, furthered by …

  • Conducting Due Diligence to Guide a Corporate Acquisition Decision

    Greenleaf Health was engaged by a global medical device company to assist in conducting due diligence for the potential acquisition of another device company. Greenleaf’s Advisory Services Team evaluated the target company’s FDA compliance history and regulatory status, as well as their promotional and advertising materials, in order to assess the regulatory risk that would …

  • Collaborating to Streamline Review of a Complex PMA Submission

    Greenleaf Health worked with a major orthopedic company to gain marketing authorization for a new formulation of an approved bone augmentation product. Due to the complex regulatory and scientific nature of this project, Greenleaf coordinated with a large team of in-house and external regulatory and scientific experts in order to devise the most advantageous strategy …

  • Achieving a Breakthrough Device Designation

    Greenleaf Health worked with a multinational medical device company throughout the review and submission of a breakthrough device designation request for a device indicated for the minimally invasive treatment of lung tumors. The Greenleaf team provided strategic advice on how to frame the device description and indication for the breakthrough request in light of the …

Medical Device Resources

View or download the PDFs below to learn more about Greenleaf and our device capabilities.

Connect With an Expert

Greenleaf’s Medical Device & Combination Products Team is ready to help you achieve your regulatory goals. Please provide the information below and a team member will be in contact.

Connect with Expert - Device