Invalidation Case Study of Intragastric Device

WissenResearch1 45 views 8 slides Aug 29, 2025
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About This Presentation

This case study explores the invalidation process of an intragastric device patent, highlighting prior art searches, novelty assessments, and claim interpretations that led to revocation. It provides valuable insights into strategies for challenging medical device patents, emphasizing the importance...


Slide Content

A degradable
delivery capsule
An integrated inflation
/deflation system
A controlled erosion-
based deflation feature
A compactable volume-
occupying component
A self-sealing valve
mechanism
The subject invention centers on a swallowable
device system that occupies gastric space
through a unique inflation mechanism. This
novel system introduces several technological
advances to overcome limitations, including:SUBJECT PATENT

This invalidity analysis examines prior art and
technical developments in related fields,
including:
Intragastric
balloon
systems
Controlled
release
mechanisms
Medical
valve
systems
Scope of
Analysis
Drug delivery
capsule
technology
Biocompatible
materialsSCOPE OF ANALYSIS

ACTION TAKEN
Reviewed the file wrapper, office actions,
examiner's requisitions, and applicant's
arguments & amendments.
Initiated the search after understanding the
invention.
Analyzed the novel aspects of the invention,
particularly the degradable delivery capsule.
Examined the notice of allowance to determine
specific points for focused searching.
Gaining an in-depth understanding of the
subject matter.
Extracting relevant keywords, synonyms,
and technical equivalents.
Applied fundamental procedures, including:

Keyword-based search: Specific keywords
and synonyms.SEARCH METHODOLOGY
We employed several strategies during our
search, including:
Keyword + class-based search.
Major assignees-based search.
Inventors-based search.
Class-based search: Using IPC, CPC, and US
classifications.

PATENT DATABASES
FINAL REPORT
The report includes claim charts of identified relevant
prior art, accompanied by detailed comments and
summaries from the researcher for each reference.

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