  Observations of Gamma-Ray Bursts with the Fermi Large Area Telescope have
prompted theoretical advances and posed big challenges in the understanding of
such extreme sources, despite the fact that GRB emission above 100 MeV is a
fairly rare event. The first Fermi/LAT GRB catalog, published a year ago,
presented 28 detections out of ~300 bursts detected by the Fermi Gamma-Ray
Burst Monitor (GBM) within the LAT field of view. Building on the results from
that work and on recent development in the understanding of the systematic
errors on GBM localizations, we developed a new detection algorithm which
increased the number of detections by 40 %. Even more recently the development
of the new event analysis for the LAT ("Pass 8") has increased the number of
detections within the first 3 years of the mission to 45, up 50 % with respect
to the published catalog. The second LAT GRB catalog, in preparation, will
cover more than 6 years of the mission and will break the barrier of 100
detected GRBs, a more than 20-fold improvement with respect to observations
before the Fermi era in the same energy range. We will review the main features
of the new algorithm, as well as preliminary results from this investigation.
