You can register to attend the Samsung Developers Conference starting on August 16th at 9:30am EDT. This year, Apple sold out its WWDC conference in a remarkably quick two minutes. The year before, it took two hours to sell out WWDC. Google I/O sold out this year in under an hour.
The Samsung Developers Conference will be held at the Westin St. Francis Hotel at Union Square in San Francisco. You can click on the sourcelink to visit the official website for the conference. There you can check the countdown timer and also leave your email address so you can be notified when registration is open.
source: SamsungDevelopersConference via Phandroid