Full Case Strengthening Analysis — Richard Litman Defense

Generated: 2026-03-15 14:55

Accuracy note: All data below is sourced from project files. No invented values.

1. Post-6/15/2025 Patent Use

Patents with datePublished >= 2025-06-15 in current dataset: 0
Dataset max date: 2025-01-14. No patents with datePublished >= 2025-06-15 in current dataset.
Max date in dataset: 2025-01-14

Manual follow-up: Run USPTO/Google Patents search for Richard Litman attorney, issued after 6/15/2025.

2. Website / nathlaw.com Evidence

Status: Wayback Machine blocks automated requests (403). Manual capture required.

Instructions: 1. Go to https://web.archive.org/web/20250621000000/https://nathlaw.com/ 2. Capture screenshots of: (a) Team/attorney page showing Litman; (b) any 'Patent Attorney – Retired' wording 3. Compare with current nathlaw.com 4. Record: URL, capture date, visible wording

3. KNPC-Specific Exhibits

KNPC patents identified: 3 (source: KNPC_EXHIBIT_TRACKER.md)
VERIFIED: All 3 have Richard Litman in attorneyBag via USPTO API; customerNumber 37833
See ANALYSIS_knpc_patents.csv

4. IFW Submitter/Signatory Analysis

IFEE/NOA documents extracted: 35
API limitation: Document list does not include submitter names.
directionCategory: INCOMING = filed by applicant/firm.
Assignment evidence: See ASSIGNMENT_CORRESPONDENCE_EVIDENCE.md — Goldberg as submitter/signatory on KFU assignments 10/29/2023, 12/21/2023.
See ANALYSIS_ifw_submitter_direction.csv

5. Chronology of Key Events

Date	Event	Source
2020-06-15	SOL cutoff date (per theory)	THEORY_AND_EXHIBIT_PLAN.md
2023-06-14	Arbitration decision (per KFU tracker; verify with counsel)	KFU_EXHIBIT_TRACKER.md
2023-03-07	UAEU assignment signed (Nahied K. Usman submitter)	ASSIGNMENT_CORRESPONDENCE_EVIDENCE.md
2023-10-29	KFU assignment 18/383,448 signed (J. Goldberg submitter)	ASSIGNMENT_CORRESPONDENCE_EVIDENCE.md
2023-12-13	NOA for patent 11,881,807 (app 18/215,352)	uploads/NOA_11881807.json
2023-12-18	IFEE (PTOL-85B) for 11,881,807 filed	uploads/NOA_11881807.json
2023-12-21	KFU assignment 18/392,663 signed (J. Goldberg submitter)	ASSIGNMENT_CORRESPONDENCE_EVIDENCE.md
2024-01-23	Patent 11,881,807 issued (Litman Line 74)	exhibits
2024-01-26	NOA for patent 11,932,607	uploads/NOA_11932607.json
2024-03-19	Patent 11,932,607 issued	exhibits
2024-03-29	NOA for patent 11,976,365	uploads/NOA_11976365.json
2024-04-15	NOA for patent 11,980,937	uploads/NOA_11980937.json
2024-05-07	Patent 11,976,365 issued	exhibits
2024-05-14	Patent 11,980,937 issued	exhibits
2024-07-21	Post-SOL-safe date (per theory)	THEORY_AND_EXHIBIT_PLAN.md
2025-01-14	Latest patent in Litman dataset (12,194,434)	richard_litman_attorney_issued_patents_since_2020-06-15.csv
2025-06-15	Late-period cutoff (per theory)	THEORY_AND_EXHIBIT_PLAN.md

Note: Arbitration date 6/14/2023 per KFU tracker; confirm with counsel.

6. Goldberg vs. Litman Overlap

Total in likely_targets: 12
Post-7/21/24: 12
Date range: 2024-07-23 to 2025-01-14

7. CN-37833 Scope

CN-37833 identified in ASSIGNMENT_CORRESPONDENCE_EVIDENCE and theory; NGM/Nath-Goldberg custody per project docs.
Document list API does not return customerNumber. Would require manual Patent Center lookup or XML parsing.

8. Assignment Database Search

USPTO Assignment API: https://assignment-api.uspto.gov/documentation-patent/ Manual search: https://assignmentcenter.uspto.gov/search/patent Current evidence: 3 assignment cover sheets from screenshots (KFU, UAEU) — see ASSIGNMENT_CORRESPONDENCE_EVIDENCE.md

9. KFU Inventor/Assignee

KFU patents in kfu_2024: 467
See ANALYSIS_kfu_inventor_assignee.csv

10. Filing vs. Issue Date

Sample: 100 patents with application numbers where available
See ANALYSIS_filing_issue_sample.csv

Manual Follow-Up Checklist

[ ] Wayback: capture nathlaw.com snapshots (Jun 2025, current)
[ ] Post-6/15/2025: search for Litman patents issued after that date
[ ] KNPC: verify Litman on front page for 11,255,086; 12,280,479; 12,510,313
[ ] Arbitration date: confirm 6/14/2023 with counsel
[ ] Assignment API: run search for Litman + Goldberg if API available

Analysis Full Report