DCT

8:26-cv-02151

Advanced Surgical Concepts Ltd v. Applied Medical Resources Corp

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I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 8:26-cv-02151, C.D. Cal., 08/07/2026
  • Venue Allegations: Venue is asserted based on Defendant Applied Medical Resources Corporation maintaining its corporate headquarters, a regular and established place of business, and having committed alleged acts of infringement within the Central District of California.
  • Core Dispute: Plaintiff alleges that Defendant's surgical access platforms and tissue extraction systems infringe six patents related to laparoendoscopic single-site surgery devices.
  • Technical Context: The technology at issue involves devices that enable minimally invasive surgery through a single incision while maintaining pneumoperitoneum (a pressurized abdominal cavity) and facilitating contained tissue removal.
  • Key Procedural History: The complaint alleges Defendant had pre-suit knowledge of all asserted patents via a notice letter dated June 2, 2026, which may form the basis for a willfulness claim.

Case Timeline

Date Event
2002-08-08 U.S. Patent No. 9,271,753 Priority Date
2004-10-12 U.S. Patent No. 7,998,068 Priority Date
2007-06-05 U.S. Patent No. 8,187,178 Priority Date
2007-06-05 U.S. Patent No. 8,657,740 Priority Date
2007-06-05 U.S. Patent No. 10,537,360 Priority Date
2011-08-16 U.S. Patent No. 7,998,068 Issued
2011-12-23 U.S. Patent No. 10,376,251 Priority Date
2012-05-29 U.S. Patent No. 8,187,178 Issued
2014-02-25 U.S. Patent No. 8,657,740 Issued
2016-03-01 U.S. Patent No. 9,271,753 Issued
2019-08-13 U.S. Patent No. 10,376,251 Issued
2020-01-21 U.S. Patent No. 10,537,360 Issued
2026-06-02 Alleged date of pre-suit notice letter to Defendant
2026-08-07 Complaint Filing Date

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

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

  • Patent Identification: U.S. Patent No. 7,998,068, titled "Instrument Access Device," issued on August 16, 2011 Compl. ¶16

The Invention Explained

  • Problem Addressed: In laparoendoscopic single-site (LESS) surgery, conventional rigid access devices like cannulae can slip out of the incision or restrict instrument movement, causing the loss of pneumoperitoneum (gas pressure) essential for the procedure Compl. ¶8 Compl. ¶26
  • The Patented Solution: The invention proposes a flexible instrument access device that anchors to the abdominal wall and provides a seal that can move and tilt with the surgical instrument without becoming detached Compl. ¶8 Compl. ¶25 Claim 1 describes a connector assembly with a "tubular-shaped member being capable of tilting to tilt the seal member relative to the retractor assembly without decoupling the seal member," which allows for instrument manipulation while preserving the abdominal seal Compl. ¶30
  • Technical Importance: This design allows surgeons to perform complex maneuvers and triangulate instruments through a single incision, a key challenge in LESS surgery, without losing the pneumoperitoneum required for a safe and effective operation Compl. ¶5 Compl. ¶29

Key Claims at a Glance

  • The complaint asserts infringement of at least independent claim 1 Compl. ¶27
  • Claim 1 of the '068 patent includes the following essential elements Compl. ¶30:
    • A retractor assembly including a distal member, a proximal member, and a retracting sleeve, where retraction force is adjusted by reducing the amount of sleeve material.
    • A seal member.
    • A connector assembly that couples the seal member and proximal member, which itself includes a tubular-shaped member and a rigid ring member.
    • The tubular-shaped member must be capable of tilting to tilt the seal member relative to the retractor assembly without decoupling.

U.S. Patent No. 8,187,178 - "Instrument Access Device"

  • Patent Identification: U.S. Patent No. 8,187,178, titled "Instrument Access Device," issued on May 29, 2012 Compl. ¶17

The Invention Explained

  • Problem Addressed: The patent addresses the challenge of maintaining pneumoperitoneum during the lateral movement of multiple instruments within a single access port Compl. ¶40
  • The Patented Solution: The invention describes an access device that uses at least two, and as claimed, three separate instrument seals made of a gelatinous material, arranged proximally to a wound retractor Compl. ¶39 Compl. ¶44 This multi-seal configuration is designed to permit lateral movement and triangulation of several instruments simultaneously without losing the abdominal gas seal Compl. ¶40
  • Technical Importance: This approach provided surgeons with increased versatility and a wider range of motion for multiple instruments operating through a single port, facilitating more complex single-incision procedures Compl. ¶43

Key Claims at a Glance

  • The complaint asserts infringement of at least independent claim 1 Compl. ¶41
  • Claim 1 of the '178 patent includes the following essential elements Compl. ¶44:
    • A wound retractor with proximal and distal ring-shaped portions and a retraction portion.
    • A seal assembly including a first, second, and third instrument seal, all spaced proximally from the wound retractor.
    • The first instrument seal is larger than the second and third seals.
    • The second and third instrument seals are substantially the same size.
    • The first, second, and third instrument seals are oriented in a "generally triangular at-rest configuration."

U.S. Patent No. 8,657,740 - "Instrument Access Device"

  • Patent Identification: U.S. Patent No. 8,657,740, titled "Instrument Access Device," issued on February 25, 2014 Compl. ¶18
  • Technology Synopsis: The patent teaches an instrument access device with multiple instrument seals and dedicated insufflation/desufflation ports Compl. ¶53 This design aims to maintain pneumoperitoneum while allowing for independent control of gas flow during a surgical procedure Compl. ¶53 Compl. ¶54
  • Asserted Claims: At least independent claim 1 Compl. ¶55
  • Accused Features: The "accused Access Platforms" are alleged to infringe Compl. ¶56

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

  • Patent Identification: U.S. Patent No. 9,271,753, titled "Surgical Device," issued on March 1, 2016 Compl. ¶19
  • Technology Synopsis: The patent describes a surgical device with a sealing member that includes at least three accessways for instruments or a surgeon's forearm Compl. ¶67 Compl. ¶68 The axes of at least two of these accessways converge to a point below the sealing member, a design intended to facilitate sealed access while preventing gas leakage Compl. ¶67
  • Asserted Claims: At least independent claim 1 Compl. ¶69
  • Accused Features: The "accused Access Platforms" are alleged to infringe Compl. ¶70

U.S. Patent No. 10,376,251 - "Pneumoperitoneum Device"

  • Patent Identification: U.S. Patent No. 10,376,251, titled "Pneumoperitoneum Device," issued on August 13, 2019 Compl. ¶20
  • Technology Synopsis: This patent teaches a tissue containment system comprising an inflatable bag with an opening and a protective guard Compl. ¶81 Compl. ¶86 The system is designed for minimally invasive, laparoscopic removal of tissue (such as viscera) in a contained environment to improve sterility and patient safety compared to open surgery Compl. ¶82
  • Asserted Claims: At least independent claim 1 Compl. ¶83
  • Accused Features: The "Alexis Contained Extraction System ('Alexis CES')" is alleged to infringe Compl. ¶84

U.S. Patent No. 10,537,360 - "Instrument Access Device"

  • Patent Identification: U.S. Patent No. 10,537,360, titled "Instrument Access Device," issued on January 21, 2020 Compl. ¶21
  • Technology Synopsis: The patent describes a surgical device with a plurality of instrument seals connected to a common base via sleeves, a configuration that allows a surgeon to manipulate multiple instruments independently through a single incision while maintaining pneumoperitoneum Compl. ¶95 Compl. ¶96
  • Asserted Claims: At least independent claim 8 Compl. ¶97
  • Accused Features: The "accused Access Platforms" are alleged to infringe Compl. ¶98

III. The Accused Instrumentality

Product Identification

  • The complaint identifies two categories of accused products:
    1. The GelPOINT Advanced Access Platform, GelPOINT Mini Advanced Access Platform, and GelPOINT V-Path Transvaginal Access Platform, collectively referred to as the "accused Access Platforms" Compl. ¶28
    2. The Alexis Contained Extraction System ("Alexis CES") Compl. ¶84

Functionality and Market Context

  • The complaint alleges the accused Access Platforms are designed to "enable minimally invasive surgery by providing a flexible, air-tight fulcrum to facilitate triangulation of standard instrumentation" Compl. ¶29 The Alexis CES is described as a system that "creates a contained environment for transabdominal and transvaginal tissue extraction during minimally invasive surgery" Compl. ¶85 The complaint touts the accused products as providing "utmost versatility and access for a wide range of abdominal, transanal, and transvaginal procedures" Compl. ¶29 No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint alleges that the accused products infringe the asserted patents either literally or under the doctrine of equivalents Compl. ¶27 Compl. ¶41 For each of the six patents-in-suit, the complaint states that an accompanying exhibit contains a claim chart detailing the infringement allegations Compl. ¶31 Compl. ¶45 Compl. ¶59 Compl. ¶73 Compl. ¶87 Compl. ¶101 These exhibits were not provided. The complaint's narrative sections allege that the general functionality of the accused products aligns with the purpose of the patented inventions, such as providing a "flexible, air-tight fulcrum" or a "contained environment" for tissue extraction Compl. ¶29 Compl. ¶85 However, the complaint does not provide sufficient narrative detail to construct a specific element-by-element infringement analysis for any of the asserted claims.

  • Identified Points of Contention:
    • '068 Patent: Claim 1 requires a "tubular-shaped member being capable of tilting to tilt the seal member... without decoupling" Compl. ¶30 A central dispute may arise over whether the flexible gel cap of the accused Access Platforms performs this specific claimed "tilting" function or achieves instrument mobility through a different mechanism. The evidence required to resolve this will likely involve expert testimony on the specific mechanical operation of both the patented embodiment and the accused device.
    • '178 Patent: Claim 1 recites a seal assembly with three distinct "instrument seals" having specific relative sizes and a "generally triangular at-rest configuration" Compl. ¶44 A primary point of contention will be whether the single gel-based cap of the accused Access Platforms can be found to meet these highly specific structural limitations. The analysis will question whether a single, amorphous gel component can constitute three discrete, pre-oriented "seals" as defined by the claim.

V. Key Claim Terms for Construction

  • The Term: "tubular-shaped member being capable of tilting" ('068 Patent, Claim 1)

  • Context and Importance: This term is central to the '068 patent's claimed mechanism for maintaining a seal while allowing instrument mobility. The defendant will likely argue that its flexible gel-based platforms do not have a distinct "tubular-shaped member" that "tilts" as described, but rather a flexible fulcrum that operates differently. Practitioners may focus on this term because its construction will determine whether the accused product's general flexibility falls within the specific functional language of the claim.

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The complaint alleges the patent's purpose is to allow for instrument movement while preserving the seal, suggesting a functional interpretation Compl. ¶26 The specification of the '068 patent describes the tubular member as being "of a laterally flexible and longitudinally rigid material" '068 Patent, col. 7:5-6, which a plaintiff may argue covers a range of flexible structures.
    • Evidence for a Narrower Interpretation: The '068 patent specification illustrates the "tubular-shaped member" as a distinct structural component (e.g., element 40 in Fig. 12) '068 Patent, fig. 12 A defendant may argue that the term should be limited to such an explicit structure, rather than the generalized flexibility of a gel cap.

  • The Term: "a first instrument seal," "a second instrument seal," and "a third instrument seal" ('178 Patent, Claim 1)

  • Context and Importance: This set of terms is critical because the accused Access Platforms utilize a single, undifferentiated gel pad for sealing Compl. ¶28 Compl. ¶43 The infringement case for the '178 patent hinges on whether this single component can be construed as three separate "seals" that also meet the claim's specific size and orientation requirements Compl. ¶44

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The '178 patent specification notes that the seal may be of a "gelatinous elastomeric material" '178 Patent, col. 3:15, which the plaintiff will likely use to argue that the inventor contemplated a gel-based seal. The complaint also states the patent's purpose is to allow "lateral movement of instruments extending through at least two instrument seals," focusing on the function rather than a rigid structure Compl. ¶40
    • Evidence for a Narrower Interpretation: The claim language explicitly recites three separate seals and imposes strict geometric and size constraints on them: one larger than the other two, which are the same size, all in a triangular arrangement Compl. ¶44 A defendant may argue this language requires three physically distinct structures, not just three potential puncture points in a single gel pad.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents. Inducement allegations are based on Defendant's alleged provision of instructions for use, including instructional videos available on YouTube Compl. ¶34 Compl. ¶48 Compl. ¶62 Compl. ¶76 Compl. ¶90 Compl. ¶104 Contributory infringement is alleged on the basis that the accused products have no substantial non-infringing uses and/or are especially made or adapted for infringement Compl. ¶35 Compl. ¶49 Compl. ¶63 Compl. ¶77 Compl. ¶91 Compl. ¶105
  • Willful Infringement: The complaint alleges willful infringement for all six asserted patents. The basis for willfulness is alleged pre-suit knowledge, stemming from a notice letter Plaintiff claims to have sent to Defendant on June 2, 2026, approximately two months before the complaint was filed Compl. ¶33 Compl. ¶47 Compl. ¶61 Compl. ¶75 Compl. ¶89 Compl. ¶103 The complaint also notes that knowledge is established, at the latest, upon service of the complaint, thereby covering post-suit conduct Compl. ¶33 Compl. ¶47

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

  • A central issue will be one of definitional scope, particularly for the '178 patent: can a single, amorphous gel pad in the accused "GelPOINT" platforms be construed to meet the claim limitation of three distinct "instrument seals" arranged in a specific size-based, triangular configuration, or is this a fundamental structural difference that precludes infringement?
  • A key evidentiary question will be one of functional equivalence: does the flexible fulcrum of the accused products operate by "tilting ... without decoupling" as claimed in the '068 patent, or does it achieve instrument mobility through a technically different mechanism that falls outside the literal and equivalent scope of the claim?
  • The allegation of a specific pre-suit notice letter sent just two months prior to filing raises a direct question of willfulness for the court, the resolution of which will depend on the factual sufficiency of the notice provided and the objective reasonableness of the defendant's subsequent actions.