FMC Corp v. Sharda USA LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: FMC Corp (Delaware)
  • Defendant: Sharda USA LLC (Delaware)
  • Plaintiff's Counsel: DLA PIPER LLP (US)
• Case Identification: 2:24-cv-02419, E.D. Pa., 08/05/2026
• Venue Allegations: Venue is alleged to be proper as Defendant resides in the district, maintains a regular and established place of business in the district, and has allegedly committed acts of infringement within the district.
• Core Dispute: Plaintiff alleges that Defendant's WINNER insecticide infringes two patents related to insecticidal and miticidal mixtures containing bifenthrin and a cyano-pyrethroid.
• Technical Context: The technology is in the field of agricultural chemicals, specifically combining two different types of pyrethroid insecticides to achieve a synergistic effect, providing broader and more effective pest control.
• Key Procedural History: This Second Amended Complaint follows an original complaint (ECF No. 1), putting Defendant on notice of the asserted patents. The Defendant, Sharda, obtained a conditional EPA registration for its accused product in September 2023, which was based on the product being "identical or substantially similar" to a currently registered pesticide, Plaintiff's HERO® product.

Case Timeline

Date	Event
2005-12-22	Priority Date for '416 and '857 Patents
2007-01-01	FMC registers first iteration of its HERO® product label with the EPA
2015-08-18	U.S. Patent No. 9,107,416 Issues
2017-03-21	U.S. Patent No. 9,596,857 Issues
2023-09-01	Sharda receives conditional EPA registration for its WINNER product
2024-05-01	FMC becomes aware of Sharda's importation of the Accused Product
2026-08-05	Plaintiff files Second Amended Complaint

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

U.S. Patent No. 9,596,857 - Insecticidal and Miticidal Mixtures of Bifenthrin and Cyano-Pyrethroids

(Issued on March 21, 2017; the "'857 Patent")

The Invention Explained

• Problem Addressed: The patent background describes the significant economic damage caused by insects to crops, turf, and structures (e.g., from termites and white grubs) and notes the value of combining different insecticides to leverage their individual strengths '857 Patent, col. 1:19-39
• The Patented Solution: The invention is a composition that combines bifenthrin with a specific class of insecticides known as cyano-pyrethroids '857 Patent, abstract The patent asserts that this combination produces an "unexpected increase in insecticidal activity" compared to using either component alone '857 Patent, col. 2:45-53 It leverages the distinct properties of each component: bifenthrin provides longer residual activity and control of mites, while cyano-pyrethroids like zeta-cypermethrin offer potent, quick-acting insect control '857 Patent, col. 2:1-8
• Technical Importance: This synergistic approach allows for more effective and broader-spectrum pest control, potentially with lower quantities of the active ingredients, offering ecological and mammalian safety benefits '857 Patent, col. 2:13-17

Key Claims at a Glance

• The complaint asserts independent claim 1 and method claim 6, along with dependent claims 2 and 3 Compl. ¶54
• Independent Claim 1 requires:
  • An insecticidal composition comprising bifenthrin;
  • And a cyano-pyrethroid selected from a specified group that includes zeta-cypermethrin;
  • Wherein the composition has a ratio of bifenthrin:cyano-pyrethroid of from about 10:1 to about 1:100.

U.S. Patent No. 9,107,416 - Insecticidal and Miticidal Mixtures of Bifenthrin and Cyano-Pyrethroids

(Issued on August 18, 2015; the "'416 Patent")

The Invention Explained

• Problem Addressed: The patent addresses the ongoing need for effective chemical insecticides and acaricides to control pests that cause significant damage to agricultural crops such as wheat, corn, and cotton '416 Patent, col. 1:15-28
• The Patented Solution: The patent discloses compositions combining bifenthrin and a cyano-pyrethroid, which are claimed to exhibit an "unexpected increase in insecticidal and/or miticidal activity" '416 Patent, abstract The patent explains that combining the two ingredients provides the benefits of both: the quick action of the cyano-pyrethroid and the longer residual activity and mite control of bifenthrin '416 Patent, col. 2:1-8 The combination is presented as a solution for providing superior pest control.
• Technical Importance: The invention offers a dual-action pesticide that is effective against both insects and mites ("acarids"), providing a more comprehensive crop protection solution than either component used individually '416 Patent, col. 1:21-25

Key Claims at a Glance

• The complaint asserts independent composition claims 1 and 11, and independent method claim 5, along with numerous dependent claims Compl. ¶85
• Independent Claim 1 requires:
  • A miticidal composition comprising bifenthrin;
  • And a cyano-pyrethroid selected from a specified group that includes zeta-cypermethrin;
  • Wherein the weight ratio of bifenthrin to cyano-pyrethroid is from 10:1 to 1:30.
• Independent Claim 5 requires:
  • A method for controlling unwanted insects or mites;
  • Comprising applying a composition containing bifenthrin and a cyano-pyrethroid (from a specified group) with a weight ratio of 10:1 to 1:30;
  • To the foliar portion of a plant.
• Independent Claim 11 requires:
  • A foliar insecticidal or miticidal composition comprising bifenthrin and a cyano-pyrethroid (from a specified group);
  • Wherein the weight ratio of bifenthrin to cyano-pyrethroid is from 10:1 to 1:30.

III. The Accused Instrumentality

Product Identification

The accused instrumentality is Defendant Sharda's "WINNER" insecticide product Compl. ¶27 Compl. ¶31

Functionality and Market Context

• WINNER is a liquid insecticide comprising 11.25% bifenthrin and 3.75% zeta-cypermethrin by weight, a composition the complaint alleges is "identical or substantially similar" to FMC's HERO® product Compl. ¶33 Compl. ¶34 The product label, pictured in the complaint, lists these exact active ingredients and percentages Compl. ¶33
• The complaint characterizes WINNER as a lower-cost "generic" or "me-too" knock-off product intended to directly compete with FMC's HERO® insecticide Compl. ¶3 Compl. ¶28
• Sharda obtained a conditional EPA registration for WINNER under a provision for products that are "identical or substantially similar" to an existing registered pesticide Compl. ¶¶29-30
• The product's Safety Data Sheet (SDS) allegedly describes it as a "liquid" that is "Stable under recommended storage conditions" Compl. ¶36 Compl. ¶37 The complaint includes an image from the SDS stating the product is a "clear liquid" Compl. ¶36

IV. Analysis of Infringement Allegations

'857 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
An insecticidal composition comprising bifenthrin and a cyano-pyrethroid selected from the group consisting of...zeta-cypermethrin...	The accused WINNER product is an insecticidal composition whose label explicitly lists "Bifenthrin" and "Zeta-Cypermethrin" as its active ingredients.	¶55; ¶60	col. 2:27-31; col. 3:12-21
wherein the composition has a ratio of bifenthrin:cyano-pyrethroid of from about 10:1 to about 1:100.	The WINNER product contains 11.25% bifenthrin and 3.75% zeta-cypermethrin, which corresponds to a 3:1 ratio. This ratio falls within the claimed range.	¶61	col. 3:51-54

'416 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
A miticidal composition comprising bifenthrin and a cyano-pyrethroid selected from the group consisting of...zeta-cypermethrin...	The accused WINNER product label allegedly states it can be used to control mites, and its active ingredients are bifenthrin and zeta-cypermethrin.	¶91; ¶94	col. 2:27-31; col. 2:62-65
wherein the weight ratio of bifenthrin to cyano-pyrethroid is from 10:1 to 1:30.	The product contains 11.25% bifenthrin and 3.75% zeta-cypermethrin, creating a 3:1 weight ratio that is within the claimed range.	¶95	col. 3:51-54

• Identified Points of Contention:
  • Claim Scope: A potential question for the court is whether the term "composition" as used in the claims requires a specific type of formulation or is limited by the inactive ingredients ("adjuvants"), or if it broadly covers any mixture of the claimed active ingredients in the specified ratios. The complaint alleges that the presence of "petroleum distillates" in the accused product satisfies the "adjuvant" limitation of dependent claims Compl. ¶65 Compl. ¶66
  • Technical Questions: The complaint alleges that Claim 1 of the '857 Patent "requires a stable insecticidal composition" Compl. ¶57 However, the word "stable" does not appear in the text of Claim 1 itself. Plaintiff supports this allegation by citing the WINNER product's SDS, which states it is "Stable under recommended storage conditions" Compl. ¶37 Compl. ¶62 This raises the question of whether "stability" is a required element of the claim or an attempt by the plaintiff to import a limitation from the specification.

V. Key Claim Terms for Construction

• The Term: "composition"

• Context and Importance: This term is fundamental to all asserted composition claims. Its construction will determine whether infringement is limited to pre-formulated, shelf-stable products sold by the defendant, or if it could also extend to mixtures created by end-users (e.g., a "tank mix"), which would have implications for direct versus indirect infringement theories. Practitioners may focus on this term because the complaint emphasizes the "premixed" nature of the accused product Compl. ¶27

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The patents discuss applying the active ingredients in various ways, and the specification mentions that "additional wetting agent and/or oil will frequently be added to a tank mix," which could suggest the "composition" is formed at the time of application '416 Patent, col. 3:28-31
  • Evidence for a Narrower Interpretation: The patents' detailed examples describe the creation of specific, pre-formulated "emulsifiable concentrate" and other formulations, suggesting the "composition" is a finished, manufactured product '416 Patent, col. 5:41-62 Plaintiff's own commercial product, HERO®, is a premixed formulation Compl. ¶18

• The Term: "about" (as in "from about 10:1 to about 1:100")

• Context and Importance: This term defines the literal boundaries of the claimed weight ratios. While the accused product's 3:1 ratio appears squarely within the ranges of the asserted claims (e.g., 10:1 to 1:100 in '857 Claim 1 and 10:1 to 1:30 in '416 Claim 1), the interpretation of "about" is a classic construction issue that is critical for determining the outer limits of infringement.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The use of "about" itself suggests the inventors did not intend to be limited to the precise numerical endpoints. The specification discloses a wide range of possible ratios and formulations, which may support a flexible interpretation of the claimed range.
  • Evidence for a Narrower Interpretation: The patents provide extensive data tables with tests conducted at specific, precise ratios (e.g., 2:1, 1:1, 1:2, 1:3, 1:4) '857 Patent, Table 2 A party could argue that these specific examples define the practical scope of the invention and that "about" should be construed narrowly to cover only minor instrumental or measurement variability.

VI. Other Allegations

• Indirect Infringement: The complaint alleges inducement of infringement of the method claims (e.g., '857 Claim 6 and '416 Claim 5). The basis for this allegation is that Sharda's WINNER product label instructs and directs end-users to apply the product to control unwanted insects on crops, which allegedly constitutes performance of the patented methods Compl. ¶72 Compl. ¶108 Compl. ¶109 The complaint includes an image of the WINNER label with detailed application instructions Compl. ¶45
• Willful Infringement: Willfulness is alleged based on Sharda's continued infringement after receiving notice of the patents and the grounds for infringement, which occurred at the latest upon the filing of the original complaint Compl. ¶82 Compl. ¶151 The complaint also includes a general allegation of pre-suit awareness, stating Sharda "is and was aware" that FMC's formulation was patent-protected, but does not provide specific facts to support pre-suit knowledge Compl. ¶32

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

• A central evidentiary question will be one of factual verification: Given that the accused product's label appears to map directly to the patent claims, the case may turn on factual evidence confirming the chemical composition, stability, and miticidal efficacy of the WINNER product as sold in the market. Discovery will likely focus on batch records, quality control data, and chemical analysis to confirm or contest the allegations derived from the product's label and EPA registration.
• A primary legal issue will be one of damages and harm: The complaint portrays this as a case of a "knock-off" generic product directly copying a patented formulation Compl. ¶27 Assuming infringement is found, a key battleground will be quantifying damages, including the extent of irreparable harm from price erosion and loss of market share, and determining the appropriate monetary award for what is alleged to be direct copycat behavior.
• A subtle but important issue will be one of claim scope: While infringement seems apparent on the face of the complaint, a potential defense could focus on whether the term "composition" is implicitly limited by the specific formulations disclosed in the patents' examples. This raises a key question for the court: Can the claims be narrowly construed to require specific inactive ingredients or formulation properties, thereby creating a non-infringement argument, or do they broadly cover any product containing the active ingredients in the claimed ratios?