Welcome to Bioassays 2022

Bioassays: Scientific Approaches & Regulatory Strategies is a premier bioassay symposium that presents a truly unique opportunity for attendees to interact with key industry thought leaders and discuss topics such as current perspectives, strategies and technologies used for bioassays. This symposium promises to maintain the tradition of high-quality case studies and scientific discussion that enables an additional focus on the technical and regulatory details of each topic. Plan on joining us for what will surely be an informative conference on the current thinking, strategies, lessons learned, development and standardization of methods and technologies used for bioassays.


View the full Scientific Program

In-Person Attendees

Presentations and workshops will be held at the Gaithersburg Marriott Washingtonian Center in Gaithersburg, MD USA. Symposium registration includes all sessions on July 19-21, 2022, continental breakfast, lunch, and networking breaks on each of these days, access to the Exhibit & Poster Hall, Networking Reception, and the Bioassays Live Stream, as well as access to the digital schedule which features the final program, abstracts and presenters' slides. Registration for the workshop on Tuesday, July 19, 2022 is an additional cost not included in the conference registration fee. In-person registration closed July 5, 2022.

Register On-Site

Virtual Attendees

Watch live streaming presentations from Bioassays 2022 from your home or office. Registration for Live Streaming includes a streaming only broadcast of sessions on July 20-21, 2022 including talks and panel discussions as well as access to the digital schedule which features the final program, abstracts and presenters' slides. Virtual registration closed July 14, 2022.


The Bioassays 2022 Scientific Organizing Committee invites industry, academic and regulatory professionals to submit abstracts addressing current perspectives, strategies and technologies used for bioassays for both oral and poster presentations.

Topics open for submission include:

  • Bioassays for Cell and Gene Therapies
  • Bioassays for Vaccines
  • Nut and Bolts of Bioassays
  • Process Improvements/Innovation in Bioassays

If you have additional questions, please contact Julie Harris, Symposium Manager, or call the CASSS office at 510-428-0740.

COVID Protocols


In order to enable in-person events to take place with lower risk to participants, effective October 1, 2021, CASSS is requiring proof of COVID-19 vaccination for admittance to CASSS in-person meetings and events. All attendees must also comply with any state and local mask mandates in place for indoor events. 

For more information, visit CASSS’ COVID Protocol

Virtual Information

Bioassays will include live streaming presentations on July 20-21, 2022.

For more information, visit Virtual Information

General Information

Gaithersburg Marriott Washingtonian Center
9751 Washingtonian Boulevard
Gaithersburg, MD 20878 USA
Telephone: 301-590-0044
Website: Gaithersburg Marriot Washingtonian Center

The Gaithersburg Marriott Washingtonian Center is conveniently situated in the suburbs of Washington, DC. It is located 35 miles from Washington, Dulles (IAD) airport, 30 miles from Ronald Reagan Washington National (DCA) airport and 50 miles from Baltimore/Washington International Thurgood Marshall (BWI) airport. Take a short walk to Rio Lakefront for shopping, dining and entertainment or dine in at the on-site restaurant. The hotel has additional features including a business and fitness center with enhanced cleaning measures.

A room block is reserved for Symposium delegates at the special group rate of $198 USD for a single or double room (plus 15% occupancy tax.) The deadline to reserve your accommodations is Friday, June 24, 2022. The Gaithersburg Marriott requires a deposit of one night's rate plus tax via credit card to guarantee your reservation. In the event of a cancellation, the hotel requires 72 hours’ notice to receive a full refund.

To make room reservations, call 800.228.9290 or CLICK HERE. Please identify yourself as an attendee of “Bioassays 2022” to secure the special rate. After Friday, June 24, 2022, reservations will be accepted on a space and rate availability basis. The room block will most likely be filled before the deadline; we recommend that attendees book their hotel accommodations well before the deadline to secure this rate.

Make Reservations

NOTE: Check-in time is 4:00 pm and check-out time is 12:00 pm.

By staying at the host hotel, you help CASSS meet its contractual obligations and keep future registration fees reasonable. Please take this into consideration when making your accommodation decisions.

Program Partners


Past Event Videos

  • Bioassays 2020 Keynote: Steven Kozlowski, CDER, FDA

  • Bioassays 2021 Keynote: Anthony Mire Sluis, ​AstraZeneca

  • Bioassays 2022 Keynote: Marjorie Shapiro, CDER, FDA

  • CASSS: Knowledge Sharing Interviews