US Patent Attorney, Sr. Patent Counsel, Program Strategy & Development

argenx • Boston, MA

4d • $252,000 - $346,500 • Remote

About The Position

argenx is seeking an experienced US patent attorney to drive intellectual property strategy and value creation for innovations addressing severe autoimmune diseases. The role combines legal judgment, scientific curiosity and commercial insight, and contributes to shaping how the company’s IP team operates. The attorney will build and execute global patent strategies; advise teams across research, development, clinical, regulatory, manufacturing, commercial and business development; and support transactions and disputes.

The role will also help develop an agentic IP team, where attorneys and IP professionals work alongside AI agents that perform defined, multi-step workflows under appropriate human direction and review. The attorney will help identify and pilot bounded agent-assisted workflows, maintain accountable legal oversight, and work with colleagues to turn successful pilots into repeatable practices.

This position is remote. For applicants in the United States, the annual base salary hiring range is $252,000 to $346,500. The position is eligible for short-term and long-term incentive programs and includes a comprehensive benefits package, including retirement savings plans and health benefits.

Requirements

• Juris Doctor (JD) degree.
• Active membership in good standing in at least one US state bar.
• Registration to practice before the United States Patent and Trademark Office (USPTO).
• At least eight years of broad life sciences patent experience.
• Demonstrated success building complex patent portfolios and developing and executing patent strategy.
• Genuine, demonstrable curiosity and appetite to help drive an evolving agentic IP team; willingness to learn emerging AI capabilities, question established processes, experiment responsibly and help colleagues adopt improved ways of working.
• Strong legal and business judgment.
• Ability to explain complex issues clearly, make practical recommendations and collaborate effectively across scientific, commercial and legal teams.

Nice To Haves

• Large-molecule experience; it is a plus but is not required for the right candidate.
• An advanced life sciences degree, preferably at least a thesis-based master’s degree in biology or a related field.
• Both law firm and in-house experience.
• Biosimilar or generic litigation experience.
• Licensing and transactional diligence experience.
• Law firm-only candidates, particularly those with IP litigation experience in addition to portfolio building, will also be considered.
• Rare-disease and small-molecule experience.
• Experience improving legal workflows or using AI, automation or knowledge tools.
• Prior agent-building experience and coding skills are not required; learning agility, sound judgment and willingness to experiment are valued.

Responsibilities

• Develop creative, business-aligned patent protection and enforcement strategies.
• Build and manage global patent portfolios and oversee patent preparation, filing and prosecution in the United States, Europe and other key jurisdictions.
• Serve as a strategic IP partner to global project teams responsible for drug candidates across the company’s portfolio.
• Translate complex scientific and patent issues into clear recommendations supporting product development, commercialization and portfolio value.
• Work with scientists to identify and protect inventions, assess inventorship, manage public disclosures and strengthen trade secret protection.
• Conduct infringement, validity, freedom-to-operate and competitive landscape analyses, identifying actionable risks and opportunities.
• Lead patent-related diligence and support licensing, collaborations, partnerships, mergers and acquisitions.
• Review, draft and negotiate IP provisions and agreements, including confidentiality, technology transfer and licensing arrangements.
• Strengthen litigation readiness and lead or support patent disputes with internal colleagues and external counsel; connect prosecution, records and enforcement strategy.
• Manage external counsel and business partners, align priorities and resources, and deliver portfolio reviews, long-range planning and special projects.
• Help design and pilot approved agent-assisted workflows for activities such as request intake, patent monitoring, diligence preparation, portfolio reporting and knowledge retrieval.
• Define tasks, authoritative inputs, review checkpoints and escalation rules for agent-assisted work; verify outputs and references, protect confidential and privileged information, respect data-use restrictions, and retain attorney accountability for legal advice and consequential decisions.
• Partner with IP operations, technology and other colleagues to make useful pilots repeatable; share learning, coach colleagues and assess improvements in quality, responsiveness and capacity.

Benefits

• Retirement savings plans
• Health benefits
• Other benefits subject to applicable plan and program guidelines
• Short-term and long-term incentive programs, subject to plan terms and applicable policies

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Ph.D. or professional degree