Dan Stanger

DC Office Managing Partner | DC IP Preparation & Prosecution Practice

Dan Stanger is the Managing Partner of our DC office and adds 35 years of experience drafting and prosecuting patent applications to the Han Santos IP team. His core industry experience includes the electrical, mechanical, communications and software. 

As a managing partner, Dan is responsible for all DC operationsadministration and practices. This includes our DC patent, cybersecurity, privacy and test law practices.  He is also personally responsible for the managing the growth of the DC patent practice. 

Dan is fluent in all phases of patent procurement, from invention harvesting and inventor counseling through appellate practice at the United States Patent and Trademark Office (USPTO). He also brings extensive experience with Patent Cooperation Treaty (PCT) (non-US) patent practice 

Prior to joining the firm, Dan served as outside counsel to a large Japanese electronics company for over 20 years. He was also a founding shareholder and president for two international intellectual propertboutique law firms. The latter firm was recognized as a worldwide top-20 IP firm by both IAM Magazine and Ocean Tomo.  

Dan’s extensive patent experience spans many technical fields. Chief among them are wireless/cellular communication software and hardware, signal transfer among mobile devices and access networks, enterprise storage systemsand semiconductors/micro-electronics including electro-mechanical devices.  

As a professional philosophy, Dan believes in the paramount value of collaborative interpersonal communicationHe is therefore both a skilled and successful Patent Attorney because he guides his client's applications through extensive rounds of inventor and management input and conducts thorough in-person Examiner interviews 

“Every invention is the product of someone’s creative mind. It is personal and therefore deserving of our respect.”

Practice Areas & Services:

  • Patent Preparation and Prosecution
  • Inventor Counseling
  • Foreign Patent Strategy
  • Patent Due Diligence

Admissions, Licenses, & Certifications:

  • United States Patent and Trademark Office
  • United States Court of Appeals, Federal Circuit
  • United States District Court, Eastern District of Virginia
  • United States District Court, Western District of Virginia
  • Commonwealth of Virginia


  • J.D., The George Washington University National Law Center (now The George Washington University Law School)
  • B.S., Physics, University of Illinois at Urbana-Champaign


  • English