Court Dismisses Signage Patent Claims Against Jack In The Box With Prejudice
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📋 Case Summary
| Case Name | Pemberton v. Jack In The Box, Inc. |
| Case Number | 3:24-cv-01179 (S.D. Cal.) |
| Court | U.S. District Court for the Southern District of California |
| Duration | Jul 2024 – Jan 2026 553 days |
| Outcome | Defendant Win — Claims Dismissed with Prejudice |
| Patents at Issue | |
| Accused Products | Jack In The Box’s signage systems |
Case Overview
The Parties
⚖️ Plaintiff
An individual inventor holding a portfolio of U.S. patents covering magnet-based signage apparatus technology.
🛡️ Defendant
A major American quick-service restaurant chain headquartered in San Diego, California, operating thousands of locations nationally.
Patents at Issue
This case involved three utility patents directed to magnet-based signage apparatus technology, specifically systems designed for simple, modifiable display configurations. These patents are registered with the U.S. Patent and Trademark Office (USPTO) and protect functional technology.
- • US 8,464,447 — Signage apparatus with magnet-based structures
- • US 8,205,369 — Related signage display technology
- • US 7,870,687 — Earlier foundational signage apparatus patent
Developing a new display system?
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The Verdict & Legal Analysis
Outcome
The court **granted JITB’s motion to dismiss and dismissed with prejudice Pemberton’s Second Amended Complaint**. This is a terminal ruling — Pemberton cannot refile the same claims against Jack In The Box in federal court. No damages were awarded, and no injunctive relief was granted, marking a complete victory for the defendant.
Key Legal Issues
The dismissal on motion practice — rather than summary judgment or trial — points toward threshold pleading failures rather than a merits determination on infringement or validity. Under Iqbal/Twombly pleading standards, a complaint must plead factual content sufficient to raise a plausible inference of infringement. The fact that the court dismissed *after* the Second Amended Complaint suggests the deficiencies were not curable, the legal predicate for a “with prejudice” dismissal. This outcome reinforces the importance of meticulous claim-mapping and specific factual allegations in patent complaints.
Freedom to Operate (FTO) Analysis
This case highlights critical IP risks in signage system design. Choose your next step:
📋 Understand This Case’s Impact
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- View all related patents in this technology space
- See which companies are most active in signage patents
- Understand pleading standards and sufficiency
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High Risk Area
Insufficient pleading of infringement claims
3 Utility Patents
In magnet-based signage technology
Procedural Deficiencies
Resolved case at early stage
✅ Key Takeaways
Dismissal with prejudice after a Second Amended Complaint signals courts’ declining tolerance for insufficiently pled infringement allegations.
Search related case law →Rigorous pre-filing claim charts mapping every asserted claim element to specific, identified features of the accused product are essential.
Explore precedents →Frequently Asked Questions
Three U.S. utility patents: Nos. 8,464,447; 8,205,369; and 7,870,687, all directed to magnet-based signage apparatus technology designed for ease of modification.
The court granted JITB’s motion to dismiss Pemberton’s Second Amended Complaint with prejudice, indicating the infringement allegations were legally insufficient and not curable through further amendment.
It reinforces that pleading-stage dismissals are viable defenses for QSR and retail defendants facing apparatus patent assertions, particularly where claim-product mapping is insufficiently specific.
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References
- PACER — Pemberton v. Jack In The Box, No. 3:24-cv-01179
- USPTO Patent Center — U.S. Patent Nos. 8,464,447; 8,205,369; 7,870,687
- Cornell Legal Information Institute — Pleading Standards (Iqbal/Twombly)
- PatSnap — IP Intelligence Solutions for Law Firms
This article is for informational purposes only and does not constitute legal advice. All case information is drawn from publicly available court records. For platform capabilities, visit PatSnap.