Advanced Surgical Concepts Ltd v. Intuitive Surgical Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Advanced Surgical Concepts Limited and Atropos Limited (Ireland)
  • Defendant: Intuitive Surgical, Inc. (Delaware)
  • Plaintiff's Counsel: Prince Lobel Tye LLP
• Case Identification: 1:26-cv-11010, D. Mass., 02/26/2026
• Venue Allegations: Plaintiff alleges venue is proper in the District of Massachusetts because Defendant maintains regular and established places of business in the district and has allegedly committed acts of patent infringement there.
• Core Dispute: Plaintiff alleges that Defendant's da Vinci SP single-port surgical access devices infringe six U.S. patents related to technology for laparoendoscopic single-site (LESS) surgery.
• Technical Context: The technology at issue involves surgical access ports that enable multiple instruments to be inserted through a single incision while maintaining gas pressure (pneumoperitoneum) within the abdominal cavity.
• Key Procedural History: The complaint alleges a prior business relationship during which Plaintiff shared confidential information and disclosed at least one of the asserted patents to Defendant. It further alleges that Defendant became aware of other asserted patents during the prosecution of its own patent applications.

Case Timeline

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

U.S. Patent No. 7,998,068 - "Instrument Access Device"

• Issued: August 16, 2011

The Invention Explained

• Problem Addressed: The patent addresses the challenge of maintaining pneumoperitoneum (a gas-pressurized operative area) during minimally invasive surgery when using conventional rigid cannulae Compl. ¶65 Movement of instruments through such cannulae can cause them to slip or weaken the seal, allowing gas to escape, while their rigidity also restricts instrument motion Compl. ¶65
• The Patented Solution: The invention proposes an instrument access device with a flexible "instrument working channel" anchored by a retractor assembly Compl. ¶64 Compl. ¶65 This assembly includes a proximal member, a distal member, and a retracting sleeve, which maintains tension against the abdominal wall '068 Patent, abstract A separate seal member is movably coupled to the proximal member, allowing instruments to be manipulated with an increased range of motion without compromising the gas seal '068 Patent, abstract Compl. ¶69
• Technical Importance: This approach was designed to enhance instrument flexibility and maintain a stable operative environment during single-site laparoscopic procedures Compl. ¶65

Key Claims at a Glance

• The complaint asserts at least independent claim 5 Compl. ¶66
• Claim 5 recites essential elements including Compl. ¶69:
  • A retractor assembly comprising a distal member, a proximal member, and a retracting sleeve.
  • A seal member located proximal to the proximal member.
  • A connector that movably couples the seal member to the proximal member, allowing proximal and distal movement without decoupling.
  • The connector itself comprising a rigid ring member coupled to the seal member.

U.S. Patent No. 9,271,753 - "Surgical Device"

• Issued: March 1, 2016

The Invention Explained

• Problem Addressed: The patent addresses the need to provide sealed access for multiple surgical instruments, or even a surgeon's forearm, through a single incision while maintaining pneumoperitoneum Compl. ¶79
• The Patented Solution: The invention describes a surgical device that combines a wound retractor with a specialized sealing member Compl. ¶83 The sealing member is described as having a "dome shape" and featuring at least three "accessways" for instruments '753 Patent, col. 8:45-55 A key feature is that the axes of at least two of these accessways are configured to converge to a point below the sealing member, which is intended to facilitate instrument triangulation within the operative field Compl. ¶78 Compl. ¶83
• Technical Importance: The multi-port, converging-axis design allows multiple instruments to work together effectively through a single entry point, a foundational requirement for complex LESS procedures Compl. ¶78

Key Claims at a Glance

• The complaint asserts at least independent claim 1 Compl. ¶80
• Claim 1 recites essential elements including Compl. ¶83:
  • A distal ring and a proximal ring.
  • A wound retracting sleeve extending between the rings.
  • A sealing member coupled to the proximal ring, which includes a dome shape when in use.
  • At least three accessways on the dome-shaped sealing member, with the axes of at least two accessways converging to a point located below a circumferential extent of the sealing member.

Multi-Patent Capsule: U.S. Patent No. 10,405,883 - "Surgical Device"

• Issued: September 10, 2019 Compl. ¶57
• Technology Synopsis: The '883 patent teaches a surgical method to address the limited mobility and instrument crowding in single-site surgery Compl. ¶93 The method involves using a wound protector with a sealing member that has a plurality of access portions, and "rotatably moving at least one" of these portions about a central axis to dynamically reposition an instrument Compl. ¶92 Compl. ¶97
• Asserted Claims: At least exemplary claim 1 Compl. ¶94
• Accused Features: The use of Defendant's da Vinci SP Access Port Kits is alleged to constitute performance of the claimed method Compl. ¶95

Multi-Patent Capsule: U.S. Patent No. 11,202,653 - "Access Port Device"

• Issued: December 21, 2021 Compl. ¶58
• Technology Synopsis: The '653 patent is directed to an instrument access device for robotic surgery that addresses the need to introduce assisting instruments without impeding the main robotic instrument Compl. ¶107 It teaches a valve component with a main, centrally located valve for a robot instrument and at least one smaller, "auxiliary valve located radially outwardly of the main valve" for an assisting instrument Compl. ¶106 Compl. ¶111
• Asserted Claims: At least exemplary claim 1 Compl. ¶108
• Accused Features: Defendant's da Vinci SP Access Port Kits are alleged to be infringing devices Compl. ¶109

Multi-Patent Capsule: U.S. Patent No. 11,771,460 - "Access Port Device"

• Issued: October 3, 2023 Compl. ¶59
• Technology Synopsis: The '460 patent teaches a method for providing surgical access that, similar to the '653 patent, allows for the use of both main robotic instruments and auxiliary assisting instruments Compl. ¶121 The method includes inserting robot instruments into a main port and "rotating an auxiliary port about the robot-instrument-receiving main port," with the auxiliary port being smaller than the main port Compl. ¶120 Compl. ¶125
• Asserted Claims: At least exemplary claim 1 Compl. ¶122
• Accused Features: The use of Defendant's da Vinci SP Access Port Kits is alleged to constitute performance of the claimed method Compl. ¶123

Multi-Patent Capsule: U.S. Patent No. 12,213,700 - "Access Port Device"

• Issued: February 4, 2025 Compl. ¶60
• Technology Synopsis: The '700 patent teaches an instrument access system for robotic surgery designed to enhance the movement of multiple instruments and reduce crowding Compl. ¶134 The system includes an access port with a "cap" that has a fixed main port for a robotic instrument and an "auxiliary port" that is "rotatable about the robot-instrument-receiving main port" Compl. ¶133 Compl. ¶138
• Asserted Claims: At least exemplary claim 1 Compl. ¶135
• Accused Features: Defendant's da Vinci SP Access Port Kits are alleged to be infringing systems Compl. ¶136

III. The Accused Instrumentality

Product Identification

• The accused instrumentalities are Defendant's da Vinci SP Access Port Kit and da Vinci SP Advanced Access Port Kit Compl. ¶5

Functionality and Market Context

• The accused products are single-use access devices designed for use with Defendant's da Vinci SP robotic surgical system Compl. ¶49 Compl. ¶54 The complaint alleges they enable "true single incision surgery by allowing instruments, endoscope, sutures, and insufflation to be introduced through the same incision" Compl. ¶68 They are marketed as offering an "improved range of motion" and "improved retraction strength" Compl. ¶82 The complaint notes that Defendant had installed 273 da Vinci SP systems worldwide as of the end of 2024, with each surgical procedure using one of the accused single-use port kits Compl. ¶54

IV. Analysis of Infringement Allegations

The complaint references claim chart exhibits for each asserted patent (Exhibits A-1, B-1, C-1, D-1, E-1, and F-1), but these exhibits were not included with the filed complaint document Compl. ¶70 Compl. ¶84 Compl. ¶98 Compl. ¶112 Compl. ¶126 Compl. ¶139 Accordingly, the narrative infringement theories are summarized below.

• U.S. Patent No. 7,998,068: The complaint's infringement theory posits that the accused SP Access Port Kits embody the claimed "instrument access device" Compl. ¶69 The narrative suggests the accused products contain a "retractor assembly" and a "seal member...movably coupled" in a manner that allows for instrument movement while maintaining pneumoperitoneum, consistent with the problem solved by the patent Compl. ¶64 Compl. ¶65 Compl. ¶69
• U.S. Patent No. 9,271,753: The infringement theory alleges that the accused SP Access Port Kits are a "surgical device" meeting the elements of claim 1 Compl. ¶83 The complaint's narrative asserts that the products include a wound retracting sleeve and a sealing member with a dome shape and at least three accessways whose axes converge, thereby facilitating sealed access for multiple instruments through a single incision Compl. ¶78 Compl. ¶83

Identified Points of Contention

• Scope Questions: A central question for the '068 patent may be whether the accused product's integrated seal and retractor constitutes a seal member "movably coupled to the proximal member by a connector" as recited in claim 5 Compl. ¶69 For the '753 patent, a point of contention may be whether the accused product's accessways have "axes...converging to a point" that is "located below a circumferential extent of the sealing member," a specific geometric constraint in claim 1 Compl. ¶83
• Technical Questions: For the method patents ('883 and '460), a key evidentiary question will be whether the use of the accused products by surgeons involves "rotatably moving" an access portion or auxiliary port about a central axis as required by the claims Compl. ¶97 Compl. ¶125 For the device and system patents ('653 and '700), the analysis may focus on whether the accused products contain an "auxiliary valve" or "auxiliary port" that is "rotatable" relative to the main port in the claimed manner Compl. ¶111 Compl. ¶138

No probative visual evidence provided in complaint.

V. Key Claim Terms for Construction

• The Term: "movably coupled... by a connector" (from '068 Patent, claim 5)

  • Context and Importance: This term defines the structural and functional relationship between the sealing component and the retractor assembly. The court's construction of what constitutes a "connector" and what "movably coupled" entails will be critical to determining whether the accused products, which may have a more integrated design, fall within the scope of the claim.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification may describe the purpose of the movable coupling as allowing tilting or movement to increase instrument range of motion, potentially supporting a construction that is not limited to a physically distinct component but encompasses any structure that achieves this function '068 Patent, col. 10:30-36
    • Evidence for a Narrower Interpretation: The claim language further requires "the connector comprising a rigid ring member coupled to the seal member" Compl. ¶69 Embodiments depicted in the patent's figures that show a distinct, separate ring-like structure acting as the connector could be used to argue for a narrower, more structurally limited definition '068 Patent, Fig. 58(a)(i)

• The Term: "rotatably moving at least one of a plurality of access portions about a central longitudinal axis" (from '883 Patent, claim 1)

  • Context and Importance: This method step is central to the '883 and related patents ('460, '700). The infringement case for these patents depends on whether the ordinary use of the accused SP Access Port Kits involves this specific rotational movement of an instrument port relative to the device's central axis.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification describes the purpose of this rotation as enabling surgeons to "dynamically shift the position and angle of approach of an instrument" and "optimize the triangulation of tools" Compl. ¶93 This functional description may support a construction that covers any user action that repositions an auxiliary port circumferentially, even if the device is not explicitly designed for continuous 360-degree rotation.
    • Evidence for a Narrower Interpretation: The patent figures may depict a specific mechanism for rotation, such as a port mounted on a rotating ring or platform '883 Patent, Figs. 36-37 A defendant could argue that "rotatably moving" requires such a purpose-built mechanism, as opposed to incidental repositioning.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement for all six patents-in-suit. The inducement claims are based on allegations that Defendant provides the accused products along with instructions, such as user manuals, that direct customers to use them in an infringing manner Compl. ¶73 Compl. ¶87 Compl. ¶101 The contributory infringement claims allege the products are not staple articles of commerce and have no substantial non-infringing uses Compl. ¶74 Compl. ¶88 Compl. ¶102
• Willful Infringement: The complaint alleges willful infringement based on Defendant's alleged pre-suit knowledge of the patents. For the '068 patent, knowledge is alleged to stem from a direct disclosure by Plaintiff to Defendant on June 4, 2014 Compl. ¶72 For four other patents ('753, '653, '460, '700), knowledge is alleged based on Defendant's own citations or disclosures of those patents to the USPTO during prosecution of its applications, with the earliest such date being February 19, 2021 Compl. ¶86 Compl. ¶114 Compl. ¶128 Compl. ¶141

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

1. A core issue will be one of claim construction and structural equivalence: can the specific, multi-part structures recited in the claims, such as a seal movably coupled "by a connector" ('068 patent), be read onto the potentially more integrated design of the accused products? The outcome may depend on whether the court adopts a strict structural interpretation or a broader functional one.

2. A second central issue will be one of proving infringement of method claims: for patents such as the '883 and '460, Plaintiff must demonstrate that the ordinary use of the accused devices by surgeons includes the claimed step of "rotatably moving" an auxiliary port. This will likely be a significant evidentiary battleground focused on the actual use and functionality of the products in a surgical setting.

3. Finally, a key question for damages will be intent and knowledge: the complaint's allegations of a prior confidential relationship and Defendant's knowledge of the patents from its own prosecution history will be central to the claims for indirect and willful infringement. The evidence supporting this alleged history will be critical in determining whether Plaintiff can prove the requisite intent for enhanced damages.