One Rule of Engagement, Though:
Whether you’re an international FORTUNE 500 company or a tiny startup, we want to work with partners who share our commitment to patients, their families and caregivers.

Why Did We Join Forces with Merck? To Break Through for Our Patients
Need A Great Life Science Collaboration? Check Out Our Track Record
We have a long history of successful collaborations with an array of business partners, including FORTUNE 500, global biopharma and global pharmaceutical companies.
We Take A Relationship-Building Approach to Advocacy Support
As part of our human health care mission, we work with numerous professional and patient organizations to support the patient and health care communities we seek to serve.
Eisai’s Research Collaborations Accelerate Innovation
We collaborate with a host of pharmaceutical companies, biotech firms and academic institutions to increase our access to external innovation and to spark the creation of breakthrough treatments.
We’re Built to Engage with Startups
In fact, we built a brand-new, cutting-edge facility to give startups and spin-outs space to explore high-risk but potentially transformative neuroscience therapeutics.
“We believe in the power of people to achieve things collectively that you cannot achieve individually. To create innovative solutions, we need to share ideas and consider multiple points of view.”

Paul Hawthorne
Executive Vice President, Purpose