Invalidity dossier
US 7293093
HTML delivery from edge-of-network servers in a content delivery network (CDN)
Current assignee: Akamai Technologies Inc
Added 9/21/2026, 1:01:52 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
US7293093 — Patent Overview
Title: HTML delivery from edge-of-network servers in a content delivery network (CDN)
Patent number: US7293093B2
Assignee: Akamai Technologies Inc (original and current assignee per the source)
Inventors: F. Thomson Leighton; Daniel M. Lewin, deceased
Priority date: 2000-04-17
Filing date: 2006-02-06 (application US11/347,988)
Publication date: 2007-11-06
Legal status: Expired – Lifetime; anticipated expiration 2021-04-17
Source: https://patents.google.com/patent/US7293093/en
Purpose (per supplied text): The invention relates generally to high-performance, fault-tolerant HTTP, streaming media, and applications delivery in a content delivery network (CDN). A CDN is described as geographically distributed content delivery nodes that efficiently deliver digital content on behalf of third-party content providers, combining a content delivery infrastructure, a request-routing mechanism, and a distribution infrastructure.
Plain-language scope: The CDN is enhanced to deliver cacheable markup language content files such as HTML. The content provider gives the CDNSP an association of its domain name (e.g., www.customer.com) to an origin server domain name (e.g., html.customer.com) hosting default HTML files, and receives a CDNSP-specific domain name. DNS entry aliasing (e.g., a CNAME) is implemented so requests for the host reach the CDN's DNS request-routing mechanism, which identifies a best content server to respond. That CDN content server returns a default HTML file if cached; otherwise it fetches the file from the origin server and caches it for subsequent requests. Content providers are also provided log files of CDNSP-delivered HTML. The excerpt lists figures covering the CDN, content-provider site operation, DNS resolution of an ARL, cacheable HTML delivery, and a CDN content server block diagram.
What the excerpt does not establish: The supplied text contains no claims, no detailed description, no prior-art references, and no prosecution history. It therefore does not establish the specific claimed scope, claim limitations, or the features disclosed beyond the summary passages quoted above. Litigation, ownership transfers, and validity were not examined per instructions.
Akamai Technologies, Inc. — CDN HTML edge delivery.
Generated 10/1/2026, 10:00:59 PM
Cases on file (0)
Specific litigation cases in our database that name US patent 7293093. The free-form analysis below may also discuss cases beyond this list.
No cases on file mention this patent. Upload a CSV or add a case manually in Admin → Manage litigation cases.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
Prior art
Earlier patents, publications, and products that may anticipate or render the claims unpatentable.
Obviousness
Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.
Extensions
Patent term adjustments, term extensions, continuations, divisionals, family members, and expiration dates.
Derivative works
Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.