Exacto! He has an impressive resume, and if you read thru his "Experience" and "Significant Decisions" sections, you will see 9th Circuit Court and Appellate Courts mentioned numerous times.He also has impressive listings under publications.

In addition to the above, read the following excerpt from an article in reference to his being named one of;

Three Dykema Attorneys Listed as 2018 Southern California Super Lawyers
January 30, 2018

Dykema, a leading national law firm, announced today that Allan Gabriel, Jeff Huron and Derek Whitefield, each from the firm’s Los Angeles office, were named to the 2018 Super Lawyers list by Southern California Super Lawyers Magazine.
The Super Lawyers designation, conferred upon the most respected legal practitioners in the state, is based upon peer recognition and professional achievement. No more than five percent of the lawyers in each state are selected by the research team to receive this honor.
Gabriel, who is recognized in the areas of Intellectual Property Litigation and Business Litigation, has now been listed for 12 of the past 13 years.