Watson Guide IP LLC v. 360 Imaging LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Watson Guide IP, LLC (Delaware) and GuidedSMILE, LLC (Ohio)
  • Defendant: 360 Imaging, LLC d/b/a 3Sixty (Delaware)
  • Plaintiff’s Counsel: Connolly Gallagher LLP; Orbit IP, LLP
• Case Identification: 1:25-cv-01515, D. Del., 02/13/2026
• Venue Allegations: Venue is alleged to be proper in the District of Delaware because the defendant is a Delaware corporation.
• Core Dispute: Plaintiffs allege that Defendant’s 360 Anatomic Guide surgical product infringes a patent related to a fixation base system used for installing multi-tooth dental prostheses.
• Technical Context: The technology resides in the field of guided dental surgery, which uses pre-planned, custom-fabricated guides to improve the precision and efficiency of full-arch dental implant procedures.
• Key Procedural History: The complaint details significant pre-suit communications, including an October 2022 letter informing Defendant of the patent-in-suit and a January 2024 email providing detailed infringement claim charts, which may be relevant to allegations of willful infringement.

Case Timeline

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 11,173,016 - Fixation Base and Guides for Dental Prosthesis Installation

• Patent Identification: U.S. Patent No. 11,173,016 ("the ’016 Patent"), issued November 16, 2021.

The Invention Explained

• Problem Addressed: The patent’s background section notes that existing methods for installing multi-tooth dental prostheses are complex and require considerable time for completion ’016 Patent, col. 1:15-20
• The Patented Solution: The invention provides a system of tools, beginning with a foundational component called a "fixation base," which attaches directly to a patient's jawbone ’016 Patent, col. 1:36-39 This base, prefabricated based on patient-specific anatomical scans, serves as a stable and precise mounting platform for a sequence of subsequent surgical guides, such as a drill guide and an abutment guide ’016 Patent, abstract This integrated approach is designed to allow a practitioner to complete an entire multi-tooth prosthesis installation in a single session ’016 Patent, col. 1:29-31
• Technical Importance: This system of stackable, patient-specific guides built upon a fixed foundation aims to increase the accuracy, predictability, and efficiency of complex full-arch dental implant procedures.

Key Claims at a Glance

• The complaint asserts infringement of one or more claims of the ’016 Patent, providing a detailed analysis of independent claim 6 ’016 Patent, col. 10:1-18 Compl. ¶1 Compl. ¶20
• The essential elements of independent claim 6 include:
  • An apparatus for installing a dental prosthesis to a patient's jaw bone.
  • A fixation base for providing an attachment surface for a dental guide.
  • The fixation base comprising a generally arcuate base member with a front surface (with openings for fasteners), a rear surface, a horizontal surface, and manually releasable attachment elements for a dental guide.
  • A specific dimensional constraint wherein the fixation base is configured to fit only in front of the patient's maxillary or mandibular bone structure and does not include portions that would extend in back of the bone structure.
• The complaint does not explicitly reserve the right to assert dependent claims, but alleges infringement of "one or more claims" ’016 Patent, col. 10:1-18 Compl. ¶1

III. The Accused Instrumentality

Product Identification

• The accused product is Defendant's "360 Anatomic Guide surgical guide product and services" Compl. ¶1

Functionality and Market Context

• The complaint alleges the 360 Anatomic Guide is promoted as a "practical, pre-planned and predictable solution" and a "stackable solution for precise guided full-arch implant placement" Compl. ¶22 Compl. ¶24 Based on allegations and accompanying images, the product is an arch-shaped device that fastens to a patient's jaw and serves as a foundation for attaching subsequent surgical guides, such as a drill guide Compl. pp. 5-8 The complaint provides a screenshot from the accused infringer's website showing the product. Compl. p. 9

IV. Analysis of Infringement Allegations

Claim Chart Summary

• The complaint provides a preliminary, illustrated claim chart mapping features of the 360 Anatomic Guide to the limitations of claim 6 of the ’016 Patent Compl. ¶20 The complaint includes a visual purporting to show the accused fixation base attached to a lower jaw (Compl. p. 5).

’016 Patent Infringement Allegations

Identified Points of Contention

• Scope Questions: A central dispute may arise over the negative limitation requiring the fixation base to fit "only in front of" the bone structure and not "extend in back of" it. The interpretation of these spatial terms will be critical, raising the question of whether the accused product's geometry strictly adheres to this boundary or if Defendant will argue for a different construction of the claim's footprint.
• Technical Questions: The complaint relies on product imagery to allege infringement. A key factual question for the court will be whether the physical 360 Anatomic Guide product functions precisely as depicted and whether those functions, particularly the "manually releasable attachment elements," are technically equivalent to what is claimed in the patent.

V. Key Claim Terms for Construction

• The Term: "configured and dimensioned to fit only in front of the maxillary or mandibular bone structure ... and which fixation base itself does not include any portions which would otherwise extend in back of the maxillary or mandibular bone structure"

• Context and Importance: This term defines the specific, limited footprint of the claimed apparatus. The infringement analysis for claim 6 will depend heavily on whether the physical dimensions of the accused product fall within this claimed boundary.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: Plaintiffs may argue the term should be interpreted functionally to mean the main, operative body of the base is anterior, and that incidental or minor structural elements do not negate this limitation. The general purpose of the invention is to provide a stable anterior platform, which could support a less rigid interpretation.
  • Evidence for a Narrower Interpretation: The patent recites this specific dimensional constraint in the claim itself, suggesting its importance ’016 Patent, col. 10:13-18 Defendant may argue this language imposes a strict geometric rule, meaning any portion of the accused device extending posterior to a certain anatomical line would place it outside the claim's scope.

• The Term: "manually releasable attachment elements"

• Context and Importance: The definition of this term is central to how subsequent guides are alleged to attach to the accused fixation base. Practitioners may focus on whether the accused product's connection mechanism meets the "manually releasable" requirement.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The specification suggests this could encompass a range of fasteners, describing them as "pins, threaded bolts, or other manually removable fasteners" ’016 Patent, col. 4:30-32 This language may support an interpretation that includes any non-permanent fastener that can be removed with or without a simple hand tool.
  • Evidence for a Narrower Interpretation: Defendant could argue that the term, in the context of the patent's embodiments (e.g., locking pins shown in Figure 12K), implies a specific type of quick-connect/disconnect mechanism rather than common fasteners like screws that require more manipulation to remove.

VI. Other Allegations

• Indirect Infringement: The complaint alleges induced infringement under 35 U.S.C. § 271(b) Compl. ¶29 It provides specific factual support for intent, alleging Defendant encourages infringement through advertisements, instruction manuals, a YouTube video explaining the surgical protocol, and a "3Sixty Academy" that teaches dentists to use the accused system Compl. ¶¶21-24
• Willful Infringement: The complaint alleges willful infringement, asserting that Defendant had pre-suit knowledge of the ’016 Patent and its alleged infringement Compl. ¶26 This allegation is supported by references to a letter sent to Defendant's CEO on October 12, 2022, and detailed claim charts sent to Defendant's counsel on January 23, 2024 Compl. ¶13 Compl. ¶15

VII. Analyst’s Conclusion: Key Questions for the Case

• A core issue will be one of definitional scope: can the claim limitation requiring the fixation base to fit "only in front of" the jaw bone, without portions extending "in back of" it, be read to cover the specific geometry of the accused 360 Anatomic Guide? The case may turn on the construction of these precise spatial boundaries.
• A key evidentiary question will be one of technical mapping: beyond the marketing images in the complaint, does the accused product’s physical mechanism for attaching subsequent guides—its "manually releasable attachment elements"—actually operate in a manner that falls within the scope of the claims as construed by the court?