3:10-cv-02230
Pieczenik v. Bayer Corp
I. Executive Summary and Procedural Information
- Parties & Counsel:- Plaintiff: Dr. George Pieczenik (New Jersey)
- Defendant: Abbott Laboratories, Allergan USA, Inc., Amgen Inc., and numerous other defendants in the pharmaceutical, biotechnology, and chemical industries.
- Plaintiff’s Counsel: Pro Se
 
- Case Identification: 3:10-cv-02230, D.N.J., 07/27/2010
- Venue Allegations: Plaintiff alleges venue is proper in the District of New Jersey because the defendants conduct business in the district and the claims arose there.
- Core Dispute: Plaintiff alleges that dozens of companies in the life sciences sector infringe a patent related to methods for creating and screening combinatorial libraries of peptides and antibodies.
- Technical Context: The lawsuit concerns combinatorial chemistry, a foundational technology for modern drug discovery that allows for the creation and rapid screening of vast libraries of molecules (like peptides) to identify candidates that bind to biological targets.
- Key Procedural History: The complaint characterizes the patent-in-suit as a "pioneering patent" in combinatorial chemistry, alleging it has priority over other patents in the field. The complaint also includes Racketeer Influence & Corrupt Organization (RICO) claims against many defendants, tying some to the historical activities of predecessor companies during World War II.
Case Timeline
| Date | Event | 
|---|---|
| 1985-08-28 | Earliest Priority Date for U.S. Patent No. 5,866,363 | 
| 1999-02-02 | U.S. Patent No. 5,866,363 Issues | 
| 2001 | Complaint alleges Defendant Abbott Laboratories purchased Phage Display Peptide Library Kits | 
| 2002 | Complaint alleges Plaintiff notified Defendant Amgen of patent rights via email | 
| 2004 | Complaint alleges New England Biolabs (NEB) began licensing the '363 patent for its library kits | 
| 2010-07-27 | Amended Complaint Filed | 
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 5,866,363 - "Method and Means for Sorting and Identifying Biological Information"
The Invention Explained
- Problem Addressed: The patent’s background section describes the conventional method for producing antibodies as inefficient, requiring immunization of an animal for each specific antigen of interest. This process does not allow for the direct development of antibodies against a predetermined site (epitope) on an antigen or against non-immunogenic molecules. (’363 Patent, col. 1:51-col. 2:13).
- The Patented Solution: The invention discloses a method to bypass bespoke immunization by creating comprehensive libraries of random oligopeptides (representing a universe of potential epitopes) and corresponding heterogeneous libraries of antibodies. By creating a "matrix" of these two populations, one can systematically screen for and identify binding pairs (an antibody and the specific peptide sequence it recognizes) without prior knowledge of the target. (’363 Patent, Abstract; col. 4:54-67). This enables the discovery of antibodies and the mapping of their precise binding sites for virtually any target.
- Technical Importance: This combinatorial approach provided a framework for high-throughput screening, a core principle that has become fundamental to modern drug discovery in the pharmaceutical and biotechnology industries. (Compl. ¶109).
Key Claims at a Glance
- The complaint makes broad infringement allegations, citing numerous claims. The most frequently referenced independent claims appear to be 1 (directed to a population of recombinant vectors), 67 (a population of peptides), and 77 (a population of binding pairs). (Compl. ¶140, 299).
- Independent Claim 77 includes the following essential elements:- A population of binding pairs comprising:
- a peptide population comprising peptides consisting of random sequences of from about 4 to about 12 amino acid residues,
- wherein substantially every member of said peptide population is bound to an antibody.
 
- The complaint does not explicitly reserve the right to assert dependent claims but references claims broadly.
III. The Accused Instrumentality
Product Identification
The complaint does not accuse a single product line. Instead, it accuses the defendants' entire research and development platforms for discovering and producing biologic drugs, particularly monoclonal antibodies (e.g., Abbott's Humira, Amgen's Prolia). (Compl. ¶141, 163). A key instrumentality identified is the use of commercially available kits, such as the Ph.D. Phage Display Peptide Library Kits from New England Biolabs (NEB), which Plaintiff alleges are licensed under the ’363 Patent. (Compl. ¶127, 137).
Functionality and Market Context
The complaint alleges that defendants utilize combinatorial libraries and phage display technologies to screen for and identify novel antibodies and other biologics for therapeutic use. (Compl. ¶139, 162). These methods allegedly involve creating and screening populations of peptides and antibodies, which forms the basis of the infringement allegations. (Compl. ¶140). The complaint points to defendants' own patents and sales of blockbuster drugs as evidence of the commercial importance of these accused methods and resulting products. (Compl. ¶139, 141-142). The complaint includes a visual from an NEB sales record allegedly showing Defendant Abbott Laboratories purchased a phage display peptide library kit. (Compl. ¶137).
IV. Analysis of Infringement Allegations
The complaint does not contain a conventional claim chart exhibit. The following summary is based on the narrative allegations against Defendant Abbott Laboratories, which are representative of the Plaintiff's general infringement theory.
’363 Patent Infringement Allegations
| Claim Element (from Independent Claim 77) | Alleged Infringing Functionality | Complaint Citation | Patent Citation | 
|---|---|---|---|
| A population of binding pairs comprising: | Abbott's discovery and development process for biologics like Humira, which allegedly involves creating antibody-peptide pairs through screening assays. | ¶140-141 | col. 4:54-67 | 
| a peptide population of random sequence of from about 4 to about 12 amino acid residues, | The use of biotinylated thirteen-amino-acid-long peptides in a binding assay with a monoclonal antibody, as described in Abbott's own U.S. Patent No. 7,589,180. | ¶140 | col. 3:41-45 | 
| wherein substantially every member of said peptide population is bound to an antibody. | The alleged discovery of the antibody Humira (Adalimumab) through phage display, which Plaintiff contends creates a subset of the population of binding pairs described in the claim. | ¶140-141 | col. 4:60-67 | 
- Identified Points of Contention:- Scope Questions: The complaint alleges that a 13-amino-acid peptide reads on the claim limitation "about 4 to about 12 amino acid residues." (Compl. ¶140). This raises the question of whether the term "about 12" can be construed to encompass 13. A central dispute may focus on the proper interpretation of this numerical range.
- Technical Questions: The complaint's primary evidence of infringement consists of defendants' own issued patents and their purchases of commercial library kits. (Compl. ¶134, 137). This raises the evidentiary question of whether such documents are sufficient to plausibly allege that the defendants actually performed the steps required by the asserted claims, as opposed to merely possessing the tools or patenting related, but distinct, inventions.
 
V. Key Claim Terms for Construction
- The Term: "about 4 to about 12 amino acid residues" (Claim 77) 
- Context and Importance: The definition of this range is critical, as several of the complaint's specific infringement allegations rely on it being construed flexibly. For example, the allegation against Abbott points to a 13-amino-acid peptide. (Compl. ¶140). Practitioners may focus on this term because its construction could be dispositive for infringement allegations based on peptides falling just outside the stated 4-12 range. 
- Intrinsic Evidence for Interpretation: - Evidence for a Broader Interpretation: The patent specification discusses peptide lengths in various contexts, including a 40-amino acid region (col. 2:60-61) and general discussions of "5 to 7 amino acid sequence[s]" as being recognized by antibodies (col. 3:11-12), which could suggest the claim term is exemplary rather than strictly limiting.
- Evidence for a Narrower Interpretation: The patent's abstract and Summary of the Invention repeatedly and specifically recite the "about 4 to about 12" range, suggesting this scope was deliberately chosen. (’363 Patent, Abstract; col. 3:41-45). A defendant may argue this consistent repetition indicates an intentional boundary for the claimed invention.
 
- The Term: "A population of binding pairs ... wherein substantially every member of said peptide population is bound to an antibody" (Claim 77) 
- Context and Importance: This term appears to define the claimed invention not as the process of finding a binding molecule, but as the resulting product—a comprehensive matrix where binding has occurred across the library. The infringement analysis may turn on whether a defendant's act of identifying one or a few "hits" from a library constitutes the creation of the claimed "population of binding pairs." 
- Intrinsic Evidence for Interpretation: - Evidence for a Broader Interpretation: The complaint's theory suggests that the creation of any antibody-peptide pair from a screening process is a subset of, and therefore reads on, the claimed population. (Compl. ¶140).
- Evidence for a Narrower Interpretation: The specification describes creating a "matrix" where binding occurs between two large populations. (’363 Patent, col. 5:1-21). The phrase "substantially every member ... is bound" could be interpreted to require a near-complete pairing across the entire peptide library, a condition arguably not met by a process designed to find a few specific binding molecules.
 
VI. Other Allegations
- Indirect Infringement: The complaint alleges that defendants who sell tools for combinatorial chemistry, such as NEB, induce infringement by providing kits and instructions for their use. (Compl. ¶127-128). Allegations against other defendants are more general.
- Willful Infringement: Willfulness is alleged against Amgen based on a 2002 email notifying its legal department of the patent. (Compl. ¶167). The complaint also makes the broader assertion that the patent's 1987 international publication put all defendants on notice, though this is a less conventional basis for pre-suit knowledge. (Compl. ¶108).
VII. Analyst’s Conclusion: Key Questions for the Case
- A core issue will be one of evidentiary sufficiency: Does the complaint, which relies heavily on defendants' own patents and purchases of third-party kits as proof of infringement, offer more than speculative or conclusory allegations? The initial phase of litigation will likely test whether these inferences are sufficient to state a plausible claim for relief under modern pleading standards.
- A second key question will be one of claim scope: How will the court construe the term "about 12 amino acid residues"? The outcome of this construction will determine whether infringement can be found for activities involving peptides of 13 or more amino acids, which appears to be a basis for at least one of the complaint's more specific allegations.
- A final threshold question involves legal viability: The complaint contains extensive RICO allegations based on complex and attenuated historical claims against defendants' corporate predecessors. The court will need to determine whether these counts have any cognizable basis in law or if they are subject to early dismissal.