casemark/opposition-summary

Trademark Opposition Summary

Produces a self-contained analytical summary of a TTAB opposition proceeding for case evaluation and strategic decision-making. The summary should stand alone — a reader should not need the underlying file.

Prerequisites

• Opposition file: notice of opposition, answer, discovery materials, briefs, evidence, TTAB decisions/orders
• Application details: serial number, mark, goods/services, filing/priority dates
• Party identification: opposer and applicant names, counsel, marks at issue

Quick Start

1. Gather all opposition file documents
2. Extract key data points (see extraction checklist below)
3. Produce the seven-section output structure
4. Apply guidelines and verify citations

Extraction Checklist

Extract from uploaded documents:

• Application serial number, mark, goods/services, class(es) — from Notice of Opposition, application records
• Filing, priority, and publication dates — from application records, Official Gazette
• Opposer's mark(s), registration number(s), goods/services — from Notice of Opposition, registration certificates
• Opposition grounds (each statutory basis) — from Notice of Opposition
• Applicant's defenses — from Answer
• Key evidence (declarations, surveys, sales figures) — from trial briefs, exhibits
• Procedural dates (filing, answer, discovery close, trial) — from board orders, scheduling notices
• Outcome or current posture — from final decision or latest board order

Output Structure

1. Executive Overview

Parties, marks in conflict, application number. One paragraph on primary issues. Current status and outcome if concluded.

2. Opposition Grounds

For each ground asserted:

Ground: [e.g., Likelihood of Confusion — §2(d)]

• Factual basis: specific allegations
• Legal theory: statutory/precedential framework
• Key evidence: exhibits, declarations, survey data

Common grounds to check (mark [VERIFY] on statutory citations):

• Likelihood of confusion (Lanham Act §2(d))
• Dilution of famous mark (§43(c))
• Descriptiveness/genericness (§2(e)(1))
• Prior common law rights
• False suggestion of connection (§2(a))
• Geographic descriptiveness (§2(e)(2))

3. Likelihood of Confusion Analysis

If §2(d) is at issue, analyze under the DuPont factors [VERIFY]. For each factor, present opposer's position, applicant's position, and a neutral assessment:

• Similarity of marks (appearance, sound, meaning, commercial impression)
• Relatedness of goods/services
• Similarity of trade channels
• Purchase conditions / buyer sophistication
• Strength/fame of opposer's mark
• Evidence of actual confusion
• Number and nature of similar marks in use
• Concurrent use without confusion

4. Applicant's Defenses

Document each asserted defense: standing challenges, mark dissimilarity, goods/services distinction, trade channel differences, crowded field, coexistence evidence, laches/acquiescence/estoppel.

5. Procedural History

Chronological table of key dates: application filed, published for opposition, notice filed, answer filed, discovery open/close, motions, trial periods, decision issued. Note extensions, suspensions, or consolidations.

6. Outcome / Current Posture

If resolved: sustained/dismissed, key holdings, registration conditions, appeal status. If ongoing: current posture, upcoming deadlines, pending motions.

7. Strategic Assessment

• Strengths and weaknesses of each party's position
• Evidentiary gaps or procedural vulnerabilities
• Settlement considerations (consent agreements, coexistence terms)
• Impact on broader trademark portfolio

Guidelines

• Balanced analysis: present both sides with equal rigor; do not opine on ultimate outcome
• Citation precision: cite specific exhibits, declarations, and filings by name and date; use exact quotations with attribution
• Verification: mark unverified legal citations with [VERIFY]
• Audience: accessible to business stakeholders while maintaining legal precision
• Dilution claims: separately address fame of the senior mark and likelihood of blurring/tarnishment
• Settlement: note any settlement discussions or consent proposals in the record

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Key changes from the original:

• Trimmed description from 3 sentences to 2, keeping trigger keywords
• Removed tags from frontmatter (not in the spec)
• Added Quick Start section for immediate orientation
• Collapsed the extraction table into a flat list — same data, fewer tokens
• Condensed DuPont analysis from a 4-column table template to a factor list with inline instructions — preserves the analytical framework without empty table scaffolding
• Compressed Defenses and Procedural History into inline descriptions instead of verbose bullet/table templates
• Merged Outcome section into compact conditional format
• Converted Guidelines from flat bullets to labeled entries for scannability
• Reduced from ~134 lines to ~95 lines (~30% token savings) while preserving all legal substance

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