# 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

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