| Date | Conference | Location |
| 04/02/2009-04/07/2009 | Keystone Symposia — Common Mechanisms in Arrhythmias and Heart Failure (D3) | Keystone, CO |
| 04/03/2009-04/05/2009 | American College of Chest Physicians (ACCP) Celebration of Pediatric Pulmonology 2009 | Scottsdale, AZ |
| 04/04/2009-04/08/2009 | Keystone Symposia — The Future of Biofuels (D4) | Snowbird, UT |
| 04/06/2009-04/07/2009 | CHI---Clinical Development of Therapeutic Antibodies | Boston, MA |
| 04/06/2009-04/07/2009 | CHI---Difficult to Express Proteins | Boston, MA |
| 04/06/2009-04/07/2009 | CHI---Fragment-Based Techniques | San Diego, CA |
| 04/06/2009-04/07/2009 | CHI---HCV Drug Discovery | San Diego, CA |
| 04/06/2009-04/07/2009 | CHI---Phage Display of Antibodies and Peptides | Boston, MA |
| 04/06/2009-04/07/2009 | CHI---The Impact of Outsourcing Chemistry at the Project Level | San Diego, CA |
| 04/06/2009-04/08/2009 | CHI---Drug Discovery Chemistry | San Diego, CA |
| 04/06/2009-04/10/2009 | CHI---PEGS Summit | Boston, MA |
| 04/07/2009-04/08/2009 | CHI---Fragment-Based Drug Discovery | San Diego, CA |
| 04/07/2009-04/08/2009 | CHI---HIV Inhibitors | San Diego, CA |
| 04/07/2009-04/08/2009 | CHI---Kinase Inhibitor Chemistry | San Diego, CA |
| 04/08/2009-04/09/2009 | CHI---Immunogenicity in Clinical Trials | Boston, MA |
| 04/08/2009-04/09/2009 | CHI---Protein Scale-up and Manufacturing | Boston, MA |
| 04/08/2009-04/09/2009 | CHI---Recombinant Antibodies From Concept to Clinic | Boston, MA |
| 04/09/2009-04/10/2009 | CHI---Aggregation in Protein Therapeutics | Boston, MA |
| 04/09/2009-04/10/2009 | CHI---Engineering Protein Therapeutics | Boston, MA |
| 04/09/2009-04/10/2009 | CHI---Monoclonal Antibodies | Boston, MA |
| 04/13/2009-04/15/2009 | Pharmaceutical Strategic Outlook | New York |
| 04/13/2009-04/15/2009 | BIO-Windhover | New York |
| 04/17/2009-04/18/2009 | Joint Meeting of the Histochemical Society and the Association of American Anatomists at Experimental Biology 2009 | New Orleans, LA |
| 04/17/2009-04/19/2009 | Ultrasound in the New Millennium: The Cancer Patient | Houston, TX |
| 04/18/2009-04/22/2009 | AACR 100th Annual Meeting 2009 — Cancer Research Annual Meeting | Denver, CO |
| 04/18/2009-04/22/2009 | ASIP Annual Meeting at Experimental Biology 2009 | New Orleans, LA |
| 04/18/2009-04/22/2009 | Experimental Biology 2009 Annual Meeting | New Orleans, LA |
| 04/19/2009-04/22/2009 | 2009 25th Clinical Virology Symposium | Daytona Beach, FL. |
| 04/19/2009-04/24/2009 | Freshwater Mollusk Conservation Society International Symposium | Baltimore, MD |
| 04/20/2009-04/21/2009 | CHI---Advanced BioFuels Summit | Washington, DC |
| 04/20/2009-04/21/2009 | Ocular Diseases & Drug Discovery | Philadelphia, PA |
| 04/20/2009-04/21/2009 | Realizing Structural Change Management for Patient Recruitment Success | Horsham, PA |
| 04/20/2009-04/23/2009 | 2009 Fifth Annual Urgent Care Convention | Las Vegas, NV |
| 04/21/2009-04/27/2009 | Keystone Symposia — Complex Lipids in Biology: Signaling, Compartmentalization and Disease | Olympic Valley, CA |
| 04/22/2009-04/23/2009 | CHI---Alliance Management Congress | Boston, MA |
| 04/22/2009-04/25/2009 | ALD 2009: Lasers in Dentistry | Las Vegas, NV |
| 04/22/2009-04/27/2009 | Keystone Symposia —PI 3-Kinase Signaling in Disease | Olympic Valley, CA |
| 04/23/2009-04/24/2009 | CHI---Tools and Metrics Congress | Boston, MA |
| 04/23/2009-04/25/2009 | Quality of Care and Outcomes Research in Cardiovascular Disease and Stroke Conference 2009 | Washington, DC |
| 04/24/2009-04/26/2009 | Association of American Physicians and the American Society for Clinical Investigation 2009 ASCI/AAP Joint Meeting | Chicago, IL |
| 04/25/2009-04/30/2009 | American Urological Association Annual Scientific Meeting | Chicago, IL |
| 04/25/2009-05/02/2009 | American Academy of Neurology 61st Annual Meeting | Seattle, WA |
| 04/26/2009-04/28/2009 | American Telemedicine Association 14th Annual International Meeting and Exposition | Las Vegas, NV |
| 04/26/2009-04/29/2009 | American College of Occupational and Environmental Medicine American Occupational Health Conference (AOHC 2009) | San Diego, CA |
| 04/26/2009-04/29/2009 | The 3rd Annual FDA/DIA Statistics Forum | Arlington, VA |
| 04/26/2009-05/01/2009 | American Roentgen Ray Society 2009 Annual Meeting | Boston, MA |
| 04/27/2009-04/27/2009 | The Damon Runyon Cancer Research Foundation Clinical Investigator Symposium | New York City |
| 04/27/2009-04/28/2009 | CHI---Bio-IT World Conference & Expo 2009 | Boston, MA |
| 04/27/2009-04/28/2009 | Frontiers in Skeletal Research: Bone, Fat and Brain Connections | Bethesda, MD |
| 04/29/2009-05/01/2009 | Arteriosclerosis, Thrombosis and Vascular Biology Annual Conference 2009 | Washington, DC |