Patrick Marleau and Pavelski scored for the Sharks, who blew a 2-0 lead and have lost four straight. Antti Niemi made 26 saves.
Chris Kunitz scored twice during a four-goal second period and the Pittsburgh Penguins beat the San Jose Sharks 5-1 on Thursday night for their fifth straight victory.
Mike Brown had a goal against his former team and Joe Thornton scored on a 5-on-3 power play, leading the San Jose Sharks to a 4-2 victory over the Toronto Maple Leafs on Tuesday night for their sixth straight win.
Joe Thornton scored his first shootout goal since 2007 in the eighth round and the San Jose Sharks beat the Los Angeles Kings 3-2 Wednesday night to extend the home-team dominance in this California rivalry.
Tommy Wingels scored two goals and Marleau added a goal and two assists to help the Sharks get their first home win in more than a month with a 5-1 victory over the Tampa Bay Lightning on Thursday night.
Dan Boyle scored a power-play goal at 2:38 of overtime to give the San Jose Sharks a 2-1 victory over the Vancouver Canucks on Thursday night.
Chris Higgins had a goal and an assist and Roberto Luongo made 22 saves to help the Vancouver Canucks snap a nine-game losing streak to the San Jose Sharks with a 4-2 victory on Thursday night.
Tyler Kennedy and Tomas Hertl scored 70 seconds apart early in the third to erase a two-goal deficit for the Sharks. Tommy Wingels got another equalizer late in the third, but San Jose still lost its third straight game
Marc-Edouard Vlasic, Joe Pavelski and Logan Couture scored for the Sharks, who finished the first month of the season 10-1-2 and set a franchise record for wins in October.
David Krejci tipped in a shot with eight-tenths of a second left in the third period to lift the Boston Bruins to a 2-1 win over San Jose on Thursday night, sending the Sharks to their first regulation loss of the season.