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Warning: INSERT command denied to user 'dbo318829279'@'74.208.56.130' for table 'watchdog' query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:14:\"strict warning\";s:8:\"%message\";s:134:\"Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state)\";s:5:\"%file\";s:101:\"/homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/handlers/views_handler_filter.inc\";s:5:\"%line\";i:589;}', 3, '', 'http://ardentlawgroup.com/attorneys/david-yu.html', '', '54.226.102.115', 1560948118) in /homepages/37/d316248420/htdocs/drupal-6.19/includes/database.mysql.inc on line 128

Warning: INSERT command denied to user 'dbo318829279'@'74.208.56.130' for table 'watchdog' query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:14:\"strict warning\";s:8:\"%message\";s:130:\"Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state)\";s:5:\"%file\";s:101:\"/homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/handlers/views_handler_filter.inc\";s:5:\"%line\";i:589;}', 3, '', 'http://ardentlawgroup.com/attorneys/david-yu.html', '', '54.226.102.115', 1560948118) in /homepages/37/d316248420/htdocs/drupal-6.19/includes/database.mysql.inc on line 128

Warning: INSERT command denied to user 'dbo318829279'@'74.208.56.130' for table 'watchdog' query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:14:\"strict warning\";s:8:\"%message\";s:102:\"Declaration of views_plugin_style_default::options() should be compatible with views_object::options()\";s:5:\"%file\";s:106:\"/homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_style_default.inc\";s:5:\"%line\";i:25;}', 3, '', 'http://ardentlawgroup.com/attorneys/david-yu.html', '', '54.226.102.115', 1560948118) in /homepages/37/d316248420/htdocs/drupal-6.19/includes/database.mysql.inc on line 128

Warning: INSERT command denied to user 'dbo318829279'@'74.208.56.130' for table 'watchdog' query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:14:\"strict warning\";s:8:\"%message\";s:130:\"Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state)\";s:5:\"%file\";s:96:\"/homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_row.inc\";s:5:\"%line\";i:135;}', 3, '', 'http://ardentlawgroup.com/attorneys/david-yu.html', '', '54.226.102.115', 1560948118) in /homepages/37/d316248420/htdocs/drupal-6.19/includes/database.mysql.inc on line 128

Warning: INSERT command denied to user 'dbo318829279'@'74.208.56.130' for table 'watchdog' query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (0, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:14:\"strict warning\";s:8:\"%message\";s:126:\"Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state)\";s:5:\"%file\";s:96:\"/homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_row.inc\";s:5:\"%line\";i:135;}', 3, '', 'http://ardentlawgroup.com/attorneys/david-yu.html', '', '54.226.102.115', 1560948118) in /homepages/37/d316248420/htdocs/drupal-6.19/includes/database.mysql.inc on line 128
David Yu | Ardent Law Group, P.C.

David Yu

  • strict warning: Non-static method view::load() should not be called statically in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/views.module on line 879.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_style_default.inc on line 25.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_row.inc on line 135.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /homepages/37/d316248420/htdocs/drupal-6.19/sites/all/modules/views/plugins/views_plugin_row.inc on line 135.
Practice Areas Litigation, Patent, trademarks, copyright, intellectual property.
OFFICE: 8810-992-949 EMAIL:

Mr. Yu is an Associate at Ardent.
Mr. Yu is a native of Southern California.  He graduated from the University of Chicago with a Bachelors of Science in Chemistry.  After college, Mr. Yu worked as a compliance and environmental consultant for companies such as Chevron, Disney, and the City of Los Angeles.
After much success in a highly regulated industry, he decided to obtain his JD from the University of Oregon School of Law.  He has provided support in litigation regarding patent infringement, along with prosecuting patents and drafting licensing agreements.
Mr. Yu is also a Registered Patent Attorney and admitted to practice before the United States Patent & Trademark Office.

Education University of Chicago with a Bachelors of Science in Chemistry
University of Oregon School of Law, Juris Doctorate

Admission Mr. Chang is a Registered Patent Attorney