US 10,954,438 · Application 15/574,539 · Granted Mar 23, 2021
US 10,954,438
Process for improved halide materials
Estimated expiration
March 13, 2034
7y 140d remaining
Earliest effective filing
May 18, 2015
+ 20 years
May 18, 2035
PTA +469d
Aug 29, 2036
TD cap (US 8,906,724)
Mar 13, 2034
Final
Mar 13, 2034
This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- November 16, 2017
- Earliest effective filing
- May 18, 2015
- Issue date
- March 23, 2021
- PTA
- +469 days
- Base expiry (before PTA)
- May 18, 2035
May 18, 2015 + 20 years = May 18, 2035 + 469 PTA days = August 29, 2036
- National stage entry of application PCTUS2015031300, filed May 18, 2015
Terminal disclaimers
TD caps expiration to March 13, 2034 (earliest expiring referenced patent: US 8,906,724)
US 8,906,724· Application 14/311,624Capping patent
Color stable red-emitting phosphors
- Filing date
- Jun 23, 2014
- Earliest effective filing
- Mar 13, 2014
- Issue date
- Dec 9, 2014
- PTA
- 0 days
- Calculated expiration
- Mar 13, 2034
Continuation of PCTUS2014027733, filed Mar 14, 2014
Continuation of 14/208,592, filed Mar 13, 2014, issued as US 9,698,314
Mar 13, 2014 + 20y = Mar 13, 2034
US 9,371,481· Application 14/302,907
Color stable red-emitting phosphors
- Filing date
- Jun 12, 2014
- Earliest effective filing
- Jun 12, 2014
- Issue date
- Jun 21, 2016
- PTA
- +30 days
- Calculated expiration
- Jul 12, 2034
Jun 12, 2014 + 20y + 30d PTA = Jul 12, 2034
US 9,376,615· Application 14/549,847
Color stable red-emitting phosphors
- Filing date
- Nov 21, 2014
- Earliest effective filing
- Jun 12, 2014
- Issue date
- Jun 28, 2016
- PTA
- 0 days
- Calculated expiration
- Jun 12, 2034
Continuation-in-part of 14/302,823, filed Jun 12, 2014, issued as US 9,385,282
Jun 12, 2014 + 20y = Jun 12, 2034
US 9,385,282· Application 14/302,823
Color stable red-emitting phosphors
- Filing date
- Jun 12, 2014
- Earliest effective filing
- Jun 12, 2014
- Issue date
- Jul 5, 2016
- PTA
- 0 days
- Calculated expiration
- Jun 12, 2034
Jun 12, 2014 + 20y = Jun 12, 2034
US 9,512,356· Application 14/267,434
Process for preparing red-emitting phosphors
- Filing date
- May 1, 2014
- Earliest effective filing
- May 1, 2014
- Issue date
- Dec 6, 2016
- PTA
- 0 days
- Calculated expiration
- May 1, 2034
May 1, 2014 + 20y = May 1, 2034
Notes (1)
- [TD_REFS_TRUNCATED] Found 9 TD references; resolving first 5 only
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
The prosecution record for your AI
Application 15/574,539 · US 10,954,438
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www.patentreply.ai/tools/patent-expiration/US10954438Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.