ATLeisure LLC v. Sorara Outdoor Living USA Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ATLeisure, LLC (Georgia)
  • Defendant: Sorara Outdoor Living USA, Inc. (California)
  • Plaintiff's Counsel: Perilla Knox Hildebrandt Staley & Amy LLP; Allen, Dyer, Doppelt + Gilchrist, P.A.
• Case Identification: 1:26-cv-05010, N.D. Ga., 09/01/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Northern District of Georgia because Defendant maintains a "regular, established physical location" in the district, has a listed Atlanta mailing address for its California corporation, and directs infringing activities into the district.
• Core Dispute: Plaintiff alleges that Defendant's Mirador brand of cantilever umbrellas infringes a patent related to an adjustable offset umbrella mechanism.
• Technical Context: The technology concerns mechanical improvements to large, offset-style patio umbrellas, aiming to simplify their operation and improve durability.
• Key Procedural History: The complaint alleges that Plaintiff actively enforces and licenses its patents. It further alleges that Defendant and its distributor, Costco, were notified of the alleged infringement in March 2026, approximately six months prior to the filing of the complaint, and that Defendant's counsel responded but infringing activities did not cease.

Case Timeline

Date	Event
2008-05-05	'492 Patent Priority Date
2012-01-31	'492 Patent Issue Date
2025-12-05	Accused Product Label "Date of Delivery"
2026-03-01	Approximate Date of Infringement Notice to Defendant
2026-09-01	Complaint Filing Date

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

U.S. Patent No. 8,104,492 - "Adjustable Offset Umbrella"

• Patent Identification: U.S. Patent No. 8,104,492, "Adjustable Offset Umbrella," issued January 31, 2012. Compl. ¶16

The Invention Explained

• Problem Addressed: The patent's background describes prior art offset umbrellas where a single crank mechanism was used for both opening/closing the canopy and adjusting its angle '492 Patent, col. 1:36-41 This arrangement allegedly required more force to operate and created complex paths for the internal rope, leading to increased wear and potential binding '492 Patent, col. 1:41-46
• The Patented Solution: The invention separates these two functions. A sliding member moves up and down the main pole to control the angle of the canopy '492 Patent, abstract A distinct winding mechanism, which is used to open and close the canopy, is mounted directly on this sliding member and moves with it '492 Patent, col. 1:59-62 '492 Patent, col. 4:41-44 By mounting the winder on the slider, the invention purports to simplify the path of the line, thereby reducing the operational force and wear '492 Patent, col. 2:4-7
• Technical Importance: The described solution sought to provide a more durable and user-friendly mechanism for operating large, heavy offset umbrellas '492 Patent, col. 2:8-13

Key Claims at a Glance

• The complaint asserts infringement of at least independent Claim 1 Compl. ¶19
• The essential elements of Claim 1 include:
  • A main pole and a sliding member that is selectably moveable along the pole.
  • A locking means to secure the sliding member at a selected location.
  • An umbrella canopy and an arm connecting the canopy to the sliding member.
  • A brace attaching an upper portion of the pole to the arm.
  • A winding mechanism with a winder hub, which is mounted to the sliding member and is movable with it.
  • A line that extends from the winder hub along the arm to the umbrella canopy.
• The complaint alleges infringement of "one or more claims," implicitly reserving the right to assert other claims, including dependent claims Compl. ¶23

III. The Accused Instrumentality

Product Identification

• The "Mirador 11.4' Cantilever Umbrella with Rolling Base" Compl. ¶18

Functionality and Market Context

• The complaint identifies the accused product as an offset patio umbrella sold under the "Mirador" brand through distributors such as Costco Compl. ¶10 Compl. ¶11 Compl. ¶18
• A screenshot from a Costco webpage shows a large cantilever umbrella with a visible housing that appears to slide along the main vertical pole, consistent with the general configuration of an adjustable offset umbrella Compl. p. 5
• The complaint alleges Defendant is a direct competitor to Plaintiff's umbrella business Compl. ¶12 Photographs provided in the complaint are used to allege a physical presence in the district, showing umbrellas visible inside Defendant's listed Atlanta office suite Compl. p. 4

IV. Analysis of Infringement Allegations

The complaint alleges that infringement is detailed in an attached claim chart (Exhibit 2), which was not provided with the filed complaint Compl. ¶19 The following summary is constructed based on the direct allegation of infringement of Claim 1 and the visual evidence provided.

'492 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a main pole having a lower end for support by a support surface and extending generally upward to an upper end	The primary vertical support pole of the Mirador umbrella.	¶18; p. 5	col. 2:44-45
a sliding member associated with the main pole and selectably moveable thereon between lower and upper locations along the main pole	The housing that slides vertically along the main pole to adjust the canopy's position, visible in the product image.	¶18; p. 5	col. 2:46-49
locking means for releasably securing the sliding member to the main pole at a selected location	A mechanism on the sliding housing alleged to lock it in place on the pole, which is necessarily implied by the infringement allegation.	¶19; ¶23	col. 2:51-54
an arm associated with the central region and extending radially therefrom to an outer end operatively associated with the sliding member	The main cantilever arm that extends from the sliding member to support the center of the umbrella canopy.	¶18; p. 5	col. 2:57-61
a brace having a first end pivotably attached to an upper portion of the pole above the sliding member and a second end pivotably attached to the arm	The support brace visible in the product image connecting the top of the main pole to a point along the cantilever arm.	¶18; p. 5	col. 3:1-4
a winding mechanism having a winder hub... being mounted to the sliding member and movable therewith	A crank handle assembly, alleged to be located on the sliding housing, that operates to open and close the canopy and moves with the housing.	¶19; ¶23	col. 3:9-12
a line having a first end that winds around the winder hub, an intermediate portion extending from the winder hub along the arm to the umbrella canopy	An internal cable, alleged to be connected to the winder, that runs through the umbrella's structure to operate the canopy mechanism.	¶19; ¶23	col. 3:13-18

Identified Points of Contention

• Structural Questions: A central dispute may arise over whether the accused product's winding mechanism is "mounted to the sliding member and movable therewith" as required by the claim. The defense may argue that its design constitutes a different structural arrangement that is not "mounted to" the slider in the manner taught and claimed by the '492 patent.
• Functional Questions: The analysis may focus on the specific operation of the accused "locking means." The parties may dispute whether the mechanism used in the Mirador umbrella functions in the same way as the means disclosed in the patent specification, raising questions of literal infringement and the doctrine of equivalents.

V. Key Claim Terms for Construction

• The Term: "a winding mechanism ... mounted to the sliding member and movable therewith"

• Context and Importance: This limitation appears to be the primary point of novelty over the prior art described in the patent '492 Patent, col. 1:36-41 The infringement case will likely depend on whether the accused product's structure falls within the scope of this phrase. Practitioners may focus on this term because it separates the patented invention from older designs where the crank was fixed to the main pole.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: Plaintiff may argue that "mounted to" should be interpreted broadly to mean any configuration where the winding mechanism is affixed to the sliding housing and travels with it along the pole. The claim language itself does not specify a particular method of mounting '492 Patent, col. 4:58-62
  • Evidence for a Narrower Interpretation: Defendant may argue that the term should be limited by the embodiments shown, where the winding mechanism 82 is depicted as an integral part of the sliding member's housing 70 '492 Patent, Fig. 4 They might contend that any less integrated attachment method falls outside the scope of the claim.

• The Term: "locking means"

• Context and Importance: This term is written in functional, means-plus-function format, but without using the specific "means for" language that would trigger 35 U.S.C. § 112(f). Its construction will determine what types of mechanisms can satisfy this element.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: Plaintiff could argue that "locking means" encompasses any structure that performs the stated function of "releasably securing the sliding member," pointing to the ordinary meaning of the words.
  • Evidence for a Narrower Interpretation: Defendant may argue that the scope of "locking means" should be informed or even limited by the specific structures disclosed in the patent for performing that function: a cam lock mechanism '492 Patent, col. 3:25-40, a spring-loaded latch pin '492 Patent, col. 4:12-21, and a ratchet and pawl system '492 Patent, col. 4:22-31

VI. Other Allegations

• Indirect Infringement: The complaint does not contain specific allegations of indirect infringement, such as inducement or contributory infringement, focusing instead on direct infringement by Defendant for its manufacturing, use, sale, and importation of the accused products Compl. ¶23
• Willful Infringement: The complaint alleges willful infringement based on Defendant's continued infringing activities after receiving notice Compl. ¶24 The complaint cites pre-suit knowledge stemming from cease and desist letters sent "on or about March 2026" to which Defendant's counsel allegedly responded Compl. ¶20 Compl. ¶24

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

• A core issue will be one of technical scope and definition: Does the accused umbrella's crank and slider assembly constitute "a winding mechanism...mounted to the sliding member and movable therewith" as claimed in the '492 patent? The case may turn on the precise physical and functional relationship between the winder and the slider in the accused product compared to the language of the claim and the patent's specification.
• A second key question will be one of evidentiary proof: As the complaint relies on an un-filed claim chart and public-facing images, a central task for the court will be to evaluate the evidence presented in discovery that details the actual, internal mechanics of the accused Mirador umbrella to determine if it truly incorporates each element of the asserted claim.