Patterson was waived by the Trail Blazers on Saturday.
Patterson agreed to a training camp contract with the Trail Blazers on Thursday, Adrian Wojnarowski of ESPN reports.
Patterson had 12 points (5-11 FG, 2-5 3Pt) and six rebounds across 21 minutes in Friday's win over the Rockets.
Patterson is a late addition to the Clippers' starting lineup for Friday's matchup with the Rockets, Mirjam Swanson of the Los Angeles Daily News reports.
Patterson will start Wednesday's game against the Pistons, Tomer Azarly of ClutchPoints.com reports.
Patterson will come off the bench Saturday against Philadelphia, Garrett Chorpenning of SI.com reports.
Patterson is starting Thursday against the Spurs, Dan Weiss of Fox Sports Southwest reports.
Patterson (personal) logged 11 minutes off the bench Thursday in the Clippers' 130-104 win over the Warriors, finishing with four points (1-2 FG, 1-2 3Pt, 1-2 FT) and four rebounds.
Patterson (personal) will be available for Thursday's game against Golden State, Garrett Chorpenning of SI.com reports.
Patterson (personal) will remain out for for Thursday's game against the Wizards, Andrew Greif of the LA Times reports.