Gupta v. Individuals Corps Ltd

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Nikhil Gupta (Illinois)
  • Defendant: The Individuals, Corporations, Limited Liability Companies, Partnerships, and Unincorporated Associations Identified on Schedule A
  • Plaintiff's Counsel: Law Office of Nicholas S. Lee
• Case Identification: 1:26-cv-10064, N.D. Ill., 08/20/2026
• Venue Allegations: Venue is asserted based on Defendants' alleged commercial activity directed to Illinois, including selling and shipping accused products to consumers in the district, and on the status of some Defendants as foreign entities.
• Core Dispute: Plaintiff alleges that Defendants' two-piece crimping beads, sold through online storefronts, infringe a patent related to a crimping bead with an interference-fit plunger.
• Technical Context: The technology pertains to mechanical fasteners used in jewelry making, offering an alternative to traditional crimp tubes and fragile decorative crimp covers.
• Key Procedural History: The complaint does not mention any prior litigation, licensing history, or post-grant proceedings involving the patent-in-suit. Plaintiff is the named inventor and original patentee.

Case Timeline

Date	Event
2013-01-18	U.S. Patent No. 9,631,698 Priority Date
2017-04-25	U.S. Patent No. 9,631,698 Issued
2026-07-17	Plaintiff's purchase of accused products
2026-08-20	Complaint Filed

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

• Patent Identification: U.S. Patent No. 9,631,698, "Crimping Bead With Plunger," issued April 25, 2017 (the "'698 Patent").

The Invention Explained

• Problem Addressed: The patent's background describes a dilemma in jewelry making: traditional crimp tubes are strong but "lack the aesthetic appeal," while decorative crimp covers are attractive but "quite fragile" and difficult to apply without damage, defeating their purpose '698 Patent, col. 1:20-31
• The Patented Solution: The invention is a two-piece assembly consisting of a bead body and a plunger '698 Patent, abstract The bead has a primary "through bore" for the beading wire and a secondary, intersecting "crimping bore" that holds the plunger '698 Patent, col. 1:33-38 The plunger is designed to be slightly larger in diameter than the crimping bore, creating an "interference fit" '698 Patent, col. 1:45-53 When a user presses the plunger into the bead body (e.g., with pliers), it deforms the bore walls, locks itself in place, and simultaneously presses against and secures the beading wire inside the through bore '698 Patent, col. 2:45-51
• Technical Importance: This solution provides a secure, aesthetically pleasing fastening method that avoids the fragility of traditional crimp covers and can be accomplished without the crude deformation of a standard crimp tube '698 Patent, col. 1:33-44

Key Claims at a Glance

• The complaint asserts infringement of at least independent claim 1 Compl. ¶32 It also identifies claim 10 as an independent claim Compl. ¶18
• Independent Claim 1 requires:
  • A two-piece crimping bead (comprising a crimp bead and a crimping plunger).
  • The crimp bead having a "through bore" for a beading cable.
  • The crimp bead also having a "crimping bore" that intersects the through bore.
  • A dimensional requirement where the "plunger has a diameter exceeding a diameter of the crimping bore by at least 0.02 millimeters".
  • The plunger being disposed in the crimping bore in an "interference fit", such that when urged into the bore, it protrudes into the through bore and holds the beading cable against the sidewall.
• The complaint notes that Plaintiff reserves the right to supplement its contentions based on discovery Compl. ¶25

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are "two-piece crimping beads" Compl. ¶9

Functionality and Market Context

The complaint alleges these products are sold by numerous unidentified entities through online marketplace storefronts, including on Amazon.com (Compl. ¶¶11; Compl. ¶20). Functionally, the accused products are described as comprising a "generally spherical bead body and a separate cylindrical plunger" Compl. ¶22 The complaint alleges that when the plunger is pressed inward, it enters a through bore, fixes the bead's position on a string, and "remains fixed substantially flush with the bead body" Compl. ¶23 The complaint references photographs of an accused product in its "initial, actuated, and open-bore states" from an exhibit to illustrate this operation Compl. ¶25

IV. Analysis of Infringement Allegations

The complaint references an element-by-element infringement chart in Exhibit D, which is not attached to the publicly filed document. The following table summarizes the infringement allegations for Claim 1 based on the narrative provided in the complaint body.

'698 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
A two piece crimping bead, comprising a crimp bead and a crimping plunger...	The accused products are described as "two-piece crimping beads" that include a "bead body and separate plunger."	¶33	col. 3:3-4
the crimp bead has a through bore adapted to have a beading cable passed therethrough...	The accused products include a "through bore with two openings and a sidewall adapted to receive a beading cable."	¶33	col. 3:7-10
said crimp bead also has a crimping bore intersecting said through bore...	The accused products are alleged to have an "intersecting crimping bore with openings and a sidewall."	¶33	col. 3:10-13
the crimping plunger has a diameter exceeding a diameter of the crimping bore by at least 0.02 millimeters (mm)...	Alleged on information and belief, stating Plaintiff will confirm the precise dimensional differential, but that it satisfies the minimum 0.02 mm differential.	¶¶17; ¶24; ¶33	col. 3:14-16
the crimping plunger is disposed within the crimping bore in interference fit... such that when said crimping plunger is urged into said crimping bore, said crimping plunger protrudes into said through bore and... is fixed in position holding said crimping plunger firmly against said beading cable...	The accused products allegedly feature a "plunger retained in the crimping bore by interference fit" that, when pressed, "protrudes into the through bore, remains fixed, and retains the cable against the through-bore sidewall."	¶33	col. 3:17-27

• Identified Points of Contention:
  • Dimensional Question: A central factual dispute will likely concern the limitation "plunger has a diameter exceeding a diameter of the crimping bore by at least 0.02 millimeters." The complaint alleges this on "information and belief" and explicitly states that "Plaintiff will confirm the precise dimensional differential through calibrated measurement and discovery" Compl. ¶24 This suggests the allegation currently lacks direct evidentiary support and will be a focus of fact discovery.
  • Functional Question: The case may turn on whether the accused product's retention mechanism constitutes an "interference fit" as contemplated by the patent. The patent describes a specific relationship where the bore walls "yield but bear tenaciously against" the plunger, which is made of a slightly harder material '698 Patent, col. 2:45-53 The infringement analysis will question if the accused products achieve fixation through this specific claimed mechanism or another means.

V. Key Claim Terms for Construction

• The Term: "interference fit"
• Context and Importance: This term is at the heart of the invention and the infringement allegation Compl. ¶33 The patent distinguishes its solution from prior art based on this feature. Whether the accused products infringe will depend heavily on how the court construes the technical requirements of an "interference fit" in the context of the '698 Patent.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: Parties arguing for a broader definition may point to the claim language itself, which recites a functional outcome: the plunger is "fixed in position holding said crimping plunger firmly against said beading cable" '698 Patent, col. 3:23-25 This could be argued to cover any fit that achieves this result.
  • Evidence for a Narrower Interpretation: Parties arguing for a narrower definition may cite the specification's detailed examples. The patent describes a specific dimensional relationship where the crimp bore is "slightly undersized by about 0.04 mm relative to the plunger" '698 Patent, col. 1:51-53 and a material relationship where the plunger has a greater hardness than the bead '698 Patent, col. 2:50-53 These specific embodiments could be used to argue that "interference fit" requires these particular characteristics, not just any press-fit connection.

VI. Other Allegations

• Indirect Infringement: The complaint alleges only direct infringement under 35 U.S.C. § 271(a) Compl. ¶32 No allegations of induced or contributory infringement are made.
• Willful Infringement: Willfulness is alleged based on Defendants' continued infringement after gaining knowledge of the patent and the infringement allegations upon service of the complaint Compl. ¶29 Plaintiff seeks enhanced damages for this alleged "post-notice conduct" Compl. ¶35 Compl. Prayer ¶5

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

This case presents a focused dispute over a single mechanical patent. The outcome will likely depend on the answers to two key questions:

• A core evidentiary question will be one of dimensional verification: Will discovery and expert measurement confirm the complaint's "information and belief" allegation that the accused plungers are at least 0.02 mm larger in diameter than their corresponding bores, as strictly required by Claim 1?
• A key claim construction and infringement question will be one of technical mechanism: Does the term "interference fit", as used in the patent, require the specific material hardness and dimensional relationships described in the preferred embodiments, and does the accused product's retention mechanism operate according to that specific claimed method, or by some other means?