Litigation summary

US Patent 8,112,504, titled "System for disseminating media content representing episodes in a serialized sequence," has been involved in several notable litigations. The patent's assignee, Personal Audio LLC, has been both a plaintiff in infringement lawsuits and a patent owner in invalidity challenges. As of the current date (April 26, 2026), the patent has an "Expired - Fee Related" status as of October 2, 2016.

Here is a list of known litigation involving US Patent 8,112,504:

1. Personal Audio LLC v. [Apple Inc.](/litigations/by-plaintiff/Apple%20Inc.)

   • Plaintiff(s): Personal Audio LLC
   • Defendant(s): Apple Inc.. Other defendants in related suits filed by Personal Audio LLC in the same federal court included Sirius XM Radio, Coby Electronics, and Archos. [cite: 10 from previous search]
   • Jurisdiction: U.S. District Court for the Eastern District of Texas (Lufkin Division)
   • Case Number: 9:2009cv00111 [cite: 14 from previous search]
   • Filing Date: The lawsuit was filed in 2009.
   • Outcome/Current Status: A jury found the patents-in-suit (which included US8112504) to be valid and infringed, awarding Personal Audio LLC $8 million in damages on July 8, 2011. The court also awarded prejudgment interest of $4,182,331, totaling $12,182,331. The presiding judge determined that the lump-sum award applied to all Apple products, thereby negating the need for a second trial covering additional devices. [cite: 10 from previous search]

2. Electronic Frontier Foundation (EFF) v. Personal Audio LLC

   • Plaintiff(s)/Petitioner: Electronic Frontier Foundation (EFF)
   • Defendant(s)/Patent Owner: Personal Audio LLC
   • Jurisdiction: Patent Trial and Appeal Board (PTAB)
   • Case Number: IPR2014-00070
   • Filing Date: October 2013
   • Outcome/Current Status: The PTAB invalidated all challenged claims of US 8,112,504 in April 2015. This decision was subsequently affirmed by the U.S. Court of Appeals for the Federal Circuit on August 7, 2017. Personal Audio LLC then filed a petition for a writ of certiorari with the U.S. Supreme Court in January 2018, which was denied on May 14, 2018. This denial made the PTAB's ruling invalidating the challenged claims of the patent final.

3. Personal Audio LLC v. Lotzi Digital, Inc. (The Adam Carolla Show)

   • Plaintiff(s): Personal Audio LLC
   • Defendant(s): Lotzi Digital, Inc. (producers of The Adam Carolla Show)
   • Jurisdiction: U.S. District Court (the Eastern District of Texas is mentioned in relation to Adam Carolla's fight against Personal Audio in)
   • Case Number: Not explicitly provided in the search results.
   • Filing Date: 2013
   • Outcome/Current Status: Personal Audio LLC dropped the lawsuit on July 29, 2014. A joint motion to dismiss was filed on August 15, 2014, after the parties reached a confidential settlement.

4. Personal Audio LLC v. CBS Corp. et al.

   • Plaintiff(s): Personal Audio LLC
   • Defendant(s): CBS Corp. [cite: 3 from previous search, 5]
   • Jurisdiction: Texas federal jury (likely U.S. District Court for the Eastern District of Texas, corresponding to case number 2:13-cv-00270 listed on Google Patents).
   • Case Number: 2:13-cv-00270 (from Google Patents listing)
   • Filing Date: Likely 2013 (based on case number).
   • Outcome/Current Status: A Texas federal jury found that all four claims of the patent were infringed by CBS and awarded Personal Audio LLC $1.3 million in damages. This verdict occurred around September 16, 2014.

Other litigation involving US 8,112,504 listed on Google Patents, for which comprehensive details (specific plaintiff, defendant, filing date, and outcome/status) were not fully available in the provided search snippets, include:

• U.S. District Court for the Eastern District of Texas cases:
  • Case Number: 2:13-cv-00013. This case involved Personal Audio LLC as plaintiff against Archos Inc. (defendant mentioned in earlier search results). Specific filing date and outcome details were not explicitly found in the provided snippets.
  • Case Number: 2:13-cv-00014. This case involved Personal Audio LLC as plaintiff against BlackBerry Corporation (defendant mentioned in earlier search results). Specific filing date and outcome details were not explicitly found in the provided snippets.
  • Case Number: 2:13-cv-00015. This appears to be another case involving Personal Audio LLC v. Apple Inc., separate from the 2009 litigation. Specific filing date and outcome details were not explicitly found in the provided snippets.
  • Case Number: 2:13-cv-00577. Specific parties, filing date, and outcome details were not explicitly found in the provided snippets.
• U.S. District Court for the District of Massachusetts case:
  • Case Number: 1:13-cv-11794. Specific parties, filing date, and outcome details were not explicitly found in the provided snippets.
• U.S. Court of Appeals for the Federal Circuit case:
  • Case Number: 18-2256. This is a separate CAFC case distinct from the appeal of the EFF's PTAB action (which was affirmed in 2017). Specific parties, filing date, and outcome details were not explicitly found in the provided snippets.
• U.S. Supreme Court case:
  • Case Number: 20-260. This is a separate Supreme Court case distinct from the denial of certiorari related to the EFF's PTAB action (which occurred in 2018). Specific parties, filing date, and outcome details were not explicitly found in the provided snippets.