The narrow claim construction on 'feature matrix' reduces ZoomInfo's likelihood of proving infringement against Apollo.io, but the case survives. Monitor for summary judgment motions and trial scheduling. A settlement before trial becomes more likely given the narrowed claims.
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Executive Summary
The District Court for the District of Delaware issued a claim construction (Markman) order in ZoomInfo's patent infringement suit against Apollo.io. The court adopted a narrow construction for the key term 'feature matrix' (favoring Apollo's proposed definition) but rejected Apollo's indefiniteness challenges to two other terms, keeping the case alive. This is a mixed procedural outcome that shifts the litigation landscape modestly in Apollo's favor on the scope of the patents.
Court Ruling Details
Key Facts
- Court construed 'feature matrix' narrowly as 'a tabular data structure, where each row corresponds to an entity, and each column corresponds to a feature, with row-column intersections containing the value of the corresponding feature for the respective entity' — adopting Apollo's proposed construction.
- Court rejected Apollo's indefiniteness challenges to 'fitness . . . characteristics' and 'the target client,' adopting plain and ordinary meaning for both.
- Three undisputed terms were adopted by the court: 'trained classifier,' 'based on the categorization of the plurality of web pages, hyperlinks, and link structures,' and 'recommendations for engagement/recommendations of engagement.'
- The ruling is interlocutory — it construes claims but does not resolve infringement or validity.
- Case continues to the merits phase (infringement analysis step two).
Financial Impact
No damages awarded or pleaded amount stated in the opinion. Financial exposure is contingent on future infringement finding.
Risk Factors
- Narrow construction of 'feature matrix' may limit ZoomInfo's ability to prove infringement against Apollo.io or other competitors.
- If ZoomInfo loses on infringement, the patents may be weakened for enforcement against other parties.
- Continued litigation costs and management distraction.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 court opinion.
| Document | Accession Number |
|---|---|
| COURT-RULING Data (Synthetic) | court-1w1z3ssr-GTM |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 19, 2026 8d ago | 8-K | $4.10 | awaiting T+20 | — | $4.35 (+6.10%) |
Oct 13, 2026 15d ago | Insider Cluster | $3.91 | awaiting T+20 | — | $4.35 (+11.25%) |
Oct 9, 2026 18d ago | 144 | $3.88 | awaiting T+20 | — | $4.35 (+12.11%) |
Jun 23, 2026 18w ago | Court Ruling | $2.83 $2.88 | ▲ +1.77% | ▲ +1.09% | $4.35 (+53.71%) |
May 11, 2026 24w ago | 8-K | $4.06 $2.70 | ▲ +33.50% | ▲ +31.77% | $4.35 (−7.14%) |
May 11, 2026 24w ago | 8-K | $4.06 $2.70 | ▲ +33.50% | ▲ +31.77% | $4.35 (−7.14%) |
May 6, 2026 25w ago | Court Ruling | $6.63 $2.98 | ▲ +55.05% | ▲ +55.87% | $4.35 (+34.39%) |
Apr 2, 2026 29w ago | Insider Cluster | $5.81 $6.25 | ▲ +7.57% | ▼ −2.30% | $4.35 (−25.13%) |
Mar 26, 2026 30w ago | DEFA14A | $5.72 $6.06 | ▲ +5.94% | ▼ −6.80% | $4.35 (−23.95%) |
US Market Status
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