Kreg Therap LLC v. VitalGo Systems Ltd

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Kreg Therapeutics, LLC and Kreg Medical Inc. (Illinois)
  • Defendant: VitalGo Systems Ltd. (Cyprus); VitalGo, Inc. (Delaware); VitalGo NA LLC (Delaware); VitalGo Systems, Inc. (Florida); Ohad Paz (Individual)
  • Plaintiff's Counsel: McKool Smith, P.C.
• Case Identification: 1:26-cv-00895, W.D. Tex., 04/10/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Western District of Texas based on Defendant VitalGo Systems Ltd. being a foreign corporation, and based on other defendants allegedly committing acts of infringement in the district, maintaining a regular and established place of business, and employing personnel within the district.
• Core Dispute: Plaintiff alleges that Defendant's Total Lift Bed product line infringes three patents related to advanced hospital beds capable of verticalization, Trendelenburg positioning, and rapid-release emergency lowering.
• Technical Context: The technology at issue involves specialized hospital beds designed to mobilize critically ill or bariatric patients into various therapeutic positions to improve clinical outcomes and reduce caregiver strain.
• Key Procedural History: The complaint notes a history of litigation between the parties concerning a distribution agreement, which resulted in a 2019 appellate court decision affirming a judgment in favor of Kreg. The complaint also mentions that one of the defendant entities, VitalGo, Inc., previously filed for Chapter 11 bankruptcy in 2014, with the case being closed in 2018.

Case Timeline

Date	Event
2014-04-18	Earliest Priority Date for '405, '056, and '532 Patents
2014-12-05	Defendant VitalGo, Inc. filed for Chapter 11 bankruptcy
2018-12-10	Defendant VitalGo, Inc. bankruptcy case closed
2021-03-01	Plaintiff allegedly began marking its products with the Asserted Patents (no later than)
2021-08-31	U.S. Patent No. 11,103,405 Issued
2022-10-04	U.S. Patent No. 11,458,056 Issued
2025-11-25	U.S. Patent No. 12,478,532 Issued
2026-04-10	Complaint Filing Date

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

U.S. Patent No. 11,103,405 - "Patient Support with Stand-Up and Sit Features"

• Patent Identification: U.S. Patent No. 11,103,405, "Patient Support with Stand-Up and Sit Features," issued August 31, 2021 Compl. ¶53

The Invention Explained

• Problem Addressed: The patent's background section addresses the "certain limitations" of prior art hospital beds, particularly in the context of mobilizing patients who are difficult to move, such as bariatric and ICU patients Compl. ¶29 '405 Patent, col. 1:41-42
• The Patented Solution: The invention provides a hospital bed with a tilt frame that can rotate the entire patient support assembly into a nearly vertical orientation to help a patient stand up from the foot of the bed '405 Patent, abstract '405 Patent, col. 1:51-67 The design also uses actuators to place the patient support assembly into Trendelenburg (feet-up) and reverse Trendelenburg (head-up) positions for therapeutic purposes '405 Patent, col. 2:28-39 The bed's ability to achieve a standing position is illustrated in patent figures referenced in the complaint Compl. ¶57 '405 Patent, Figs. 4A-4C
• Technical Importance: This technology enables "In-Bed Verticalization Therapy," which the complaint alleges can accelerate patient recovery, reduce days on a ventilator, and diminish pressure on the thoracic cavity Compl. ¶¶40-41

Key Claims at a Glance

• The complaint asserts at least independent claim 1 of the '405 Patent Compl. ¶132
• The essential elements of Claim 1 include:
  • A base frame and a patient support assembly with separate moveable head, seat, and foot sections.
  • The patient support assembly is rotatable to a tilted position where the entire assembly is generally in-line at an orientation greater than 30 degrees from horizontal.
  • One or more actuators that place the patient support assembly in a Trendelenburg position, which is defined as the foot section being higher than the head section.
• The complaint notes infringement of "one or more claims," reserving the right to assert additional claims Compl. ¶132

U.S. Patent No. 11,458,056 - "Patient Support with Stand-Up and Sit Features"

• Patent Identification: U.S. Patent No. 11,458,056, "Patient Support with Stand-Up and Sit Features," issued October 4, 2022 Compl. ¶54

The Invention Explained

• Problem Addressed: Beyond the general challenges of patient mobilization, this patent addresses the specific need for a rapid method to return a patient from a tilted or vertical position to a flat, horizontal position in an emergency, such as a cardiac event requiring CPR '056 Patent, col. 2:15-21
• The Patented Solution: The invention is a tilting hospital bed that incorporates a "CPR release" mechanism. This release allows the patient support assembly to move from a tilted position back to a "generally horizontal position" '056 Patent, claim 1 The specification explains this feature allows the assembly to "automatically drop" for emergency response '056 Patent, col. 2:15-21 The complaint references patent figures showing a CPR handle to actuate this feature Compl. ¶58 Compl. p. 19
• Technical Importance: The integration of a CPR release for a fully tilted bed frame provides a critical safety feature, allowing caregivers to quickly respond to emergencies without performing complex manual adjustments Compl. ¶31 Compl. ¶39

Key Claims at a Glance

• The complaint asserts at least independent claim 1 of the '056 Patent Compl. ¶143
• The essential elements of Claim 1 include:
  • A base frame and a patient support assembly with separate moveable head, seat, and foot sections.
  • The patient support assembly is rotatable to a tilted position where the entire assembly is generally in-line at an orientation greater than 30 degrees from horizontal.
  • A release to allow the patient support assembly to move from the tilted position to a generally horizontal position.
• The complaint alleges infringement of "one or more claims," reserving the right to assert additional claims Compl. ¶143

Multi-Patent Capsule

• Patent Identification: U.S. Patent No. 12,478,532, "Patient Support with Stand-Up and Sit Features," issued November 25, 2025 Compl. ¶55
• Technology Synopsis: This patent also describes a hospital bed with a release mechanism to return the patient support assembly from a tilted to a horizontal position. The claims specify that the "return system" connected to the release is a "non-hydraulic return system," distinguishing the invention from systems that might use hydraulic components for damping or movement '532 Patent, claim 1
• Asserted Claims: The complaint asserts at least independent claim 1 Compl. ¶154
• Accused Features: The complaint alleges that the Accused Products contain a release mechanism connected to a non-hydraulic return system that allows the patient support assembly to move from a tilted to a horizontal position Compl. ¶155

III. The Accused Instrumentality

Product Identification

• The accused products are the "VitalGo Total Lift Bed," including at least "Version 4 ('V4')" and "Version 5 ('V5')" Compl. ¶72 A marketing image from the complaint shows the VitalGo Total Lift Bed V5, an advanced hospital bed with multiple articulating sections and side rails Compl. p. 21

Functionality and Market Context

• The complaint alleges that the Total Lift Bed is capable of positioning patients in Trendelenburg and Reverse Trendelenburg positions, a feature supported by the product's publicly available manuals Compl. ¶73 A technical diagram in the complaint identifies a "Trendelenburg actuator" as part of the accused bed's assembly Compl. ¶74
• The Total Lift Bed is also alleged to include CPR release features Compl. ¶75 A marketing graphic for the "NEW V5 FEATURES" highlights a "Manual CPR for headrest & tilt" Compl. p. 23
• The complaint alleges that prior versions of the Total Lift Bed lacked the Trendelenburg feature and that VitalGo "added" it in response to customer requests after Kreg launched its patented Catalyst® Bed Compl. ¶76 This allegation is supported by a screenshot from the VitalGo website stating, "Some of the early versions of the Total Lift Bed™ did not have this feature so we listened and added it" Compl. p. 24
• The accused products are allegedly distributed for purchase and rental throughout the United States via various distributors Compl. ¶80

IV. Analysis of Infringement Allegations

11,103,405 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a patient support assembly... having a separate moveable head section, seat section, and foot section	The Accused Products include a base frame and a patient support assembly with separate and moveable head, seat, and foot sections.	¶133	col. 5:1-14
the patient support assembly being rotatable to place the patient support assembly in a tilted position with the entire patient support assembly generally in-line in an orientation greater than 30 degrees from a horizontal	The patient support assembly is rotatable to place the assembly in a tilted position with the entire assembly generally in-line at an orientation greater than 30 degrees from horizontal.	¶133	col. 5:22-30
one or more actuators... actuating to place the patient support assembly in a Trendelenburg position, wherein the Trendelenburg position is defined as the foot section is higher than the head section	The Accused Products include one or more actuators, including a "Trendelenburg actuator," to place the assembly in a Trendelenburg position. Depictions from the product manual show the bed in this position Compl. p. 22	¶133; ¶74	col. 2:35-39

• Identified Points of Contention:
  • Technical Questions: A factual question may arise regarding how the accused product's "Trendelenburg actuator" Compl. ¶74 operates. The analysis will examine whether this single component, as alleged, actuates the entire "patient support assembly" to achieve the claimed Trendelenburg position, or if it functions in a technically different manner.
  • Scope Questions: The complaint alleges the accused product's structure maps onto the claimed elements Compl. ¶133 The litigation may explore whether there are material structural differences between the accused product's frame and support assembly and the specific configuration required by the patent's claims when read in light of the specification.

11,458,056 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a patient support assembly... having a separate moveable head section, seat section, and foot section	The Accused Products include a base frame and a patient support assembly with separate and moveable head, seat, and foot sections.	¶144	col. 26:60-67
the patient support assembly being rotatable to place the patient support assembly in a tilted position with the entire patient support assembly generally in-line in an orientation greater than 30 degrees	The patient support assembly is rotatable to place the assembly in a tilted position with the entire assembly generally in-line at an orientation greater than 30 degrees from horizontal.	¶144	col. 27:1-4
a release to allow the patient support assembly to move from the tilted position to a generally horizontal position	The Accused Products include a release feature, marketed as "Manual CPR for... tilt," to allow the patient support assembly to move from a tilted position to a horizontal one. A marketing graphic depicts this feature Compl. p. 23	¶144; ¶75	col. 2:15-21

• Identified Points of Contention:
  • Technical Questions: A key factual dispute may be whether the accused "Manual CPR for... tilt" function operates on the entire "patient support assembly" as claimed, or if it only releases the "headrest" Compl. ¶75 The claim requires the entire assembly to move from tilted to horizontal, and the evidence presented will be critical to determining if the accused product performs this function.
  • Scope Questions: The construction of the term "release" will be central. The analysis will raise the question of whether "release" requires a specific mechanical action, such as the disengagement of actuators described in the patent specification '056 Patent, col. 20:58-60, or if it can be read more broadly to cover any mechanism that initiates the return-to-horizontal movement.

V. Key Claim Terms for Construction

• The Term: "release" ('056 Patent, Claim 1)

• Context and Importance: This term is critical because the infringement allegation for the '056 and '532 patents hinges on the accused product's "Manual CPR for... tilt" feature meeting this limitation Compl. ¶75 Compl. ¶144 The definition will determine whether the accused product's emergency lowering function falls within the scope of the patent.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The patent specification describes activating the feature by lifting a "CPR handle" '056 Patent, col. 20:31-35 Practitioners may argue this supports a construction where "release" encompasses any user-actuated control that initiates the return-to-horizontal sequence.
  • Evidence for a Narrower Interpretation: The specification further explains that lifting the handle causes "actuators [to] disengage and drop the sections of the bed by gravity" '056 Patent, col. 20:58-60 Practitioners may focus on this language to argue that "release" requires a specific mechanical disengagement of the bed's actuators, not merely a powered-down sequence.

• The Term: "patient support assembly" ('405 Patent, Claim 1; '056 Patent, Claim 1)

• Context and Importance: Both patents require that the entire "patient support assembly" be rotatable to a tilted position and, in the case of the '056 patent, moved by the "release." The scope of this term is crucial because if the accused product's tilt or release mechanism only acts on a portion of the patient surface (e.g., just the head and seat sections), it may not infringe.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The claims define the assembly as having head, seat, and foot sections, and the specification refers to the assembly as including a "support deck assembly 20 and a mattress 22" '405 Patent, col. 6:1-3 This could support an interpretation covering the entire patient-bearing surface.
  • Evidence for a Narrower Interpretation: The specification describes a "tilt frame assembly 16" that "supports the support deck assembly 20" '405 Patent, col. 11:7-9 A party may argue that the term "patient support assembly" should be narrowly construed to only include the specific components directly mounted to the tilt frame, potentially creating a distinction if the accused product's architecture differs.

VI. Other Allegations

• Indirect Infringement: The complaint alleges inducement by providing user manuals, training, and marketing materials that allegedly instruct customers to use the accused features of Trendelenburg positioning and CPR release Compl. ¶139 Compl. ¶150 Compl. ¶161 It also alleges contributory infringement by supplying material parts, such as tilt frames and actuator systems, that are especially adapted for use in an infringing manner and are not staple articles of commerce Compl. ¶140 Compl. ¶151 Compl. ¶162
• Willful Infringement: The complaint alleges willfulness based on alleged pre-suit knowledge. This knowledge is purportedly based on Plaintiff's marking of its products and on the parties' prior litigation history, which the complaint suggests put Defendants on notice to track Plaintiff's patent portfolio Compl. ¶135 Compl. ¶146 Compl. ¶157 Willfulness is also alleged based on continued infringement after the filing of the complaint Compl. ¶136 Compl. ¶147 Compl. ¶158

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

• A central issue will be one of technical operation: does the accused "Total Lift Bed's" "Manual CPR for... tilt" feature cause the entire "patient support assembly" to move from a tilted to a horizontal position, as required by the claims, or does it only lower the head section? The resolution of this factual question will be fundamental to the infringement analysis for the '056 and '532 patents.
• A key legal question will be one of definitional scope: can the term "release," described in the patent specification as a mechanism that "disengage[s]... actuators," be construed to cover the accused product's emergency lowering function? The court's interpretation of this term will likely determine the outcome of a significant portion of the case.
• A third major question will concern intent and damages: given the prior litigation between the parties and the allegation that Defendants "added" an allegedly infringing feature after observing Plaintiff's product in the market, what evidence will be presented to support or rebut a finding of willful infringement, which could lead to an award of enhanced damages?